The squirrel gets energy from eating its diet. When the hawk eats it, that energy is transferred from the squirrel into the hawk. Nutrients the hawk needs gets absorbed into the bloodstream through arteries and veins in the stomach to the brain, and these nutrients can be turned into amino acids, with help grow necessary things on your body, such as hair, nails, or, in this case, feathers and claws. Any unneeded matter is flushed out of the body in the form of waste.
The hawk gains energy by digesting the squirrel. The indigestible matter from the squirrel is excreted, and returns to the ecosystem, where it can be used by other organisms.
Explanation:When a hawk swoops down and catches a squirrel, the hawk acquires energy by metabolizing the squirrel's body mass through digestion. This energy is utilized by the hawk for its various physiological activities such as flight, hunting, and reproduction. However, the squirrel's body also consists of matter that is not digestible or usable by the hawk. This indigestible matter, primarily consisting of bones and fur, is excreted by the hawk, returning it to the ecosystem where it may be further broken down by decomposers into simpler nutrients that can be used by plants and other organisms in the food chain. Therefore, while a portion of the matter in the squirrel provides energy to the hawk, the rest of the matter is recycled back into the ecosystem.
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The Moon orbits the Earth once in about _______. A. 365 days B. 28 days C. 24 hours D. 7 days
b. 28 days
hope this helps
Answer: Option B. 28 days
Explanation:
The moon orbits the Earth in about 28 days.
Moon also takes 28 days to rotate once on its own, that is why it seems still in it's position.
The moon rotates around the Earth in an elliptical orbit. The moon rotates in slower rate when it is closest to earth and rotates in faster rate when far from earth. The side of moon facing earth surface is called the near side. During new moon phase, when the moon comes between the Earth and the sun, the back side of the moon gets hide by daylight.
The moon changes its shape during rotation of earth as per the lunar theory. It involves several phases in the given sequence First Quarter following Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter, Waning Crescent, New Moon and Waxing Crescent and repeats.
Hence, the correct option is B. 28 days.
Which are the three main types of lipids
The three main types of lipids are:Triglycerides, Phospholipids, Steroids.
Triglycerides, also known as triacylglycerols or fats, are the most common type of lipids found in both plants and animals. They are composed of glycerol and three fatty acid chains. Triglycerides are the primary form in which energy is stored in the body. They serve as a concentrated source of energy and are stored in adipose tissue (fat cells) for future energy needs.
Phospholipids are a crucial component of cell membranes. Like triglycerides, they consist of glycerol, but instead of three fatty acid chains, there are two fatty acids and a phosphate group attached to the third position. The phosphate group makes one end of the phospholipid molecule polar (hydrophilic), while the fatty acid chains are nonpolar (hydrophobic). This unique structure allows phospholipids to form a phospholipid bilayer in cell membranes, providing a selective barrier for the cell.
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The three main types of lipids are triglycerides, used for energy storage; phospholipids, which form cell membranes; and steroids, like cholesterol, involved in membrane fluidity and hormone production.
Explanation:The three main types of lipids are triglycerides, phospholipids, and steroids.
Triglycerides are composed of a glycerol molecule joined to three fatty acid chains. They serve as a major form of energy storage in both animals and plants.Phospholipids are made up of two fatty acid chains, a phosphate group, and a glycerol or sphingosine backbone. They are key components of the cell membrane, providing both a barrier and a matrix for other cell components.Steroids are a class of lipids characterized by a structure of four fused carbon rings. Cholesterol is a well-known steroid that plays a critical role in maintaining cell membrane fluidity and serves as a precursor for steroid hormones like testosterone.Lipids play numerous roles in biological systems, including energy storage, cellular structure, and hormone synthesis. They are generally hydrophobic and nonpolar, making them insoluble in water.
Who found that plants are composed of cells
Robert Hooke discovered cell structure and named cell
Answer:
Robert Hooke
Explanation:
Through what structure do plant absorb the water they need for photosynthesis
A their leaves
B Their roots
C Their stems
D their stromata
Answer:
B) Their roots
Explanation:
The bulk of water uptake by most plants is via the roots.
Which stage of the cell cycle involves the division of the cell’s nucleus?
Metaphase
At the end of the phase the cell divides into two new cells
The division of the cell's nucleus occurs during the mitotic phase of the cell cycle, specifically in the process known as mitosis, which is followed by cytokinesis resulting in two daughter cells.
The stage of the cell cycle that involves the division of the cell's nucleus is called the mitotic phase, which is more specifically known as mitosis. The cell cycle is primarily divided into two major phases: interphase and the mitotic phase. During interphase, the cell undergoes growth and DNA replication. This phase allows the cell to prepare for division, leading up to the mitotic phase. Mitosis then follows interphase and is the process by which the replicated chromosomes are segregated and distributed into two daughter nuclei. The mitotic phase can be further divided into several steps including prometaphase, metaphase, anaphase, and telophase. After mitosis, the cell typically goes through cytokinesis, a process dividing the cytoplasm, resulting in two daughter cells.
which group of organic compounds stores genetic information?
The group of organic compounds that store genetic information are nucleic acids.
NUCLEIC ACIDS:
Nucleic acids are one of the four biological molecules in nature. Nucleic acids are molecules that help store and transmit genetic information in living cells. The two types of nucleic acids are DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). DNA helps store genetic information in the cells of living organisms, which is transcribed and translated into proteins. Therefore, the group of organic compounds that store genetic information are nucleic acids.Learn more at: https://brainly.com/question/18375173?referrer=searchResults
Which of the following occurrences affects the Earth's water systems?
A.
melting glaciers
B.
extreme drought
C.
increased rainfall
D.
all of these
D is the correct answer
All of these can affect the earth' s water systems.
What is water system?Infrastructure for collecting, transferring, treating, storing, and distributing water for use in households, businesses, industries, irrigation, and other public purposes like firefighting and street flushing.
The provision of drinkable water is arguably the most important municipal service. For drinking, cooking, cleaning, getting rid of waste, and other home necessities, people rely on water. Systems for supplying water must also meet standards for industrial, commercial, and public uses.
The site of the earliest inhabited villages was influenced by water, and the development of public water delivery systems is closely related to the expansion of cities.
Therefore, All of these can affect the earth' s water systems.
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Match the sphere with its correct description.
1. lithosphere
land
2. atmosphere
sky/air
3. biosphere
life
4. hydrosphere
Water
1. lithosphere - land
2. atmosphere - sky/air
3. biosphere - life
4. hydrosphere - water
You've got 'em all correct! Good job!
2 . atmosphere
sky / air
The sky is an unobstructed view upward from the surface of the earth . it includes the atmosphere and outer space . it may also be considered a place between the ground and outer space it may be also be considered a place between the ground and outer space . thus distinct from outer space .
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Calcium is an essential nutrient for all ages, but many marketing campaigns for high-calcium foods focus on childhood. Do you think there’s merit to telling children to get their calcium because it builds strong bones? Explain your response.
Answer:
Yes
Explanation:
, there’s merit to targeting children in marketing campaigns for high-calcium food. People reach peak bone mass at about age 30. If children don’t consume enough calcium, they may not build up enough bone density, which could cause them to be at risk for osteoporosis when they’re older.
There is a lot of merit in telling children to get their calcium in building strong bones because the increase in bone density by calcium stops between 25-30 years.
It is therefore for the children to take enough of calcium to make their bones
very dense and strong as attaining the age of 30 years means there will be
no change in the bone density regardless of the amount of calcium taken.
Intake of calcium at an early age also helps us plan for old age . At the age of
50 years and above , individual experiences bone loss which leads to
osteoathritis and other bone related diseases.
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Eukaryotic cells have organelles within each cell that are bound by their own lipid bi layer membrane ( t or f)
The answer is true; eukaryotic cells contain organelles that are each surrounded by their own lipid bilayer membranes, which include the nucleus, vacuoles, endoplasmic reticulum, Golgi apparatus, chloroplasts, and mitochondria.
The correct answer to this question is true. Eukaryotic cells are indeed structured with a number of organelles, each bound by a lipid bilayer membrane much like the cell's outer membrane. Key examples of these membrane-bound compartments include the nucleus, which contains the cell's genetic material, and vacuoles, which are storage organelles. Notable among other such organelles are the endoplasmic reticulum, Golgi apparatus, chloroplasts (in plant cells), and mitochondria. Each of these organelles has highly specialized functions; for example, mitochondria are known as the powerhouses of the cell because they produce energy through respiration. These organelles are often referred to as the 'little organs' of the cell, highlighting their specialized roles comparable to the organs in our bodies.
How is a plateau different from a fault-block mountain?
Answer:
A plateau is defined as a highland area that has a flat top topography, which has steep sides. These are often formed when the intrusive magma crystallizes before it comes out to the surface. The flat top surface of the plateaus are formed due to the continuous erosion process that has taken place since the geological time.
On the other hand, a fault-block mountain is a type of mountain which are formed due to the reverse faulting. It results from the upward movement of the blocks. These are jagged mountains and are formed from the compressional stress.
Thus, the plateaus are formed from the erosion process, and fault-block mountains are formed due to the compressional stress.
How do plants store energy from photosynthesis?
Photosynthesis is the process plants and some algae use to convert light energy to chemical energy stored as sugar within chloroplasts -- the energy factories found in plant cells. Plants need only carbon dioxide and water for photosynthesis to work.
Answer:
The correct answer is "in the form of starch".
Explanation:
Plants store energy from photosynthesis in the form of starch. Starch is a polysaccharide, made from several units of glucose linked together following a particular disposition. The glucose that is produced during photosynthesis is used to synthesize starch, biomolecule that is used as a form to store energy.
because desert would contain little organic material, their soil profiles have ___ horizons.
The correct answer is: "B - horizons or "C-horizons" .
__________________________________________________
→ primarily "B-horizons"
__________________________________________________
If there are answer choices, and there is an answer choice of:
"B-horizons or C-horizons" ; then choose this.
__________________________________________________
If there are answer choices of: "select all that apply" :
then select both: "B-horizons" ; and: "C-horizons" .
__________________________________________________
If there is an answer choice that incorporates:
"Both: "B-horizons" and "C-horizons" are correct" ;'
then choose that one.
__________________________________________________
If you can only choose one, then choose: " B-horizons " .
__________________________________________________
Note that: "B-horizons" and "C-horizons" do not necessary refer to the answer choice, per se .
Rather, as per the U.S.A. soil classification systems,
soil horizons, from the top to the bottom, are generally classfied as:
____________________________________________
O-horizon (top soil)
____________________________________________
A- horizon
____________________________________________
E-horizon (included in some cases).
____________________________________________
B- horizon (lots of nutrients).
____________________________________________
C horizon (may be rocky or sandy).
____________________________________________
Hope this helps!
Best wishes!
____________________________________________
bones function as levers for the muscles to provide movement of the body What refers to reducing the angle of the joint thus bringing two bones closer together
The answer is D: Flexion.
Flexors muscles of the cause’s flexion, which reduces the angle of the joint and reduces the dis-tance between two bones. In this process, the muscle contracts and this brings the bones attached to the muscle close to each other due to the movement of the nearby joint. For example when flexion occurs at the elbow, the bones “Ulna” and “ Humerus” get close to each other .
How is a scientific law different from a scientific theory?
A) A theory becomes a law after a long period of time has passed
B) A theory is used for biology and chemistry and a law is used for physics
C) A theory is why something happens and a law is how something happens
D) A theory cannot be disproved but a law can be disproved
Your answer is option c.
We know a theory is not just for biology and chemistry since we have the theory of relativity
We also know that both theories and laws can be disproved or changed.
And a theory does not become a law after a long time period
thus the answer is C
Answer:
The correct answer will be option-C.
Explanation:
Scientific theories and scientific laws are proposed after many hypothesis related to the natural phenomenon is supported by experiments of many researchers.
Both scientific laws and scientific theory are the statements formed on the basis of the results but they differ as a scientific law represents the mechanism of how natural phenomenon is as it provides the data related to the natural event which hold true everywhere whereas a scientific theory provides the explanation of the causes of a natural event.
Thus, option-c is the correct answer.
which of the following is the most likely cause for succesion in ecosystems?
A. arrival of new species
B. Rain
C. loss of an animal species
D. wildfires
Hello.
The answer: D. wildfires
For succesion in ecosystems nothing remains the same or constaly changing. New specis, Rain and loss of animals can change an everment but only a Wildfire can change a ecosystem where nothing is left the same. So therefore the answer is Wildfires.
Have a nice day.
Hello.
The answer: D. wildfires
For succesion in ecosystems nothing remains the same or constaly changing. New specis, Rain and loss of animals can change an everment but only a Wildfire can change a ecosystem where nothing is left the same. So therefore the answer is Wildfires.
Have a nice day.
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1.
Which process uses the products of photosynthesis as reactants?
DNA replication
protein synthesis
active transport
cellular respiration
2.
The diagram shows an energy transformation that typically occurs in plant cell plastids.
Which statement best describes this role of plastids in the plant cell?
Chloroplasts transform chemical energy into electromagnetic energy.
Chloroplasts transform light energy into chemical energy.
Mitochondria transform chemical energy into electromagnetic energy.
Mitochondria transform light energy into chemical energy.
3.
Cellulose is a carbohydrate and a polymer of glucose. Which statement best describes how
cellulose is formed within living organisms?
It is the result of a physical change that alters the shape of a compound.
It is the product of the decomposition of a much larger molecule.
It is constructed by connecting smaller monomer subunits.
It is assembled by bonding individual atoms.
4.
Which statement best describes a relationship between mitochondria and chloroplasts?
Chloroplasts release chemical energy from molecules and store it in mitochondria.
Chloroplasts convert light energy into chemical energy that can be used by mitochondria.
Mitochondria convert chemical energy into light energy that can be used by chloroplasts.
Mitochondria release chemical energy from molecules and store it in chloroplasts.
5.
A jackrabbit has large ears containing blood vessels that help it maintain a constant
body temperature by adjusting heat exchange with the surrounding environment.
Which characteristic of life is best described by this example?
homeostasis
growth
organization
energy use
6.
Which two statements correctly describe one similarity and one difference between
cellular respiration and photosynthesis?
statements 2 and 3
statements 3 and 4
statements 1 and 4
statements 1 and 2
7.
Plant cells use sunlight to make their own food. Which structure allows plant cells to perform
this function?
nucleus
mitochondrion
vacuole
chloroplast
8.
The indicated protein is part of a cell membrane. What is the most likely purpose
of this protein?
It attracts unbalanced electrical charges in the cell’s environment.
It releases stored chemical energy in membrane carbohydrates.
It allows passage of particles into and out of the cell.
It manufactures phospholipids to repair membrane damage.
9.
Which graph best shows how enzyme activity changes as the temperature is adjusted above
and below the enzyme’s optimum temperature?
10.
Which statement best describes how active transport differs from passive transport?
Only active transport allows substances to leave a cell.
Only active transport requires ATP.
Only active transport moves small particles.
Only active transport relies on a plasma membrane.
1. Cellular respiration: Photosynthesis produces glucose and oxygen, which are both reactants in cellular respiration for generating energy in cells.
2. Chloroplasts transform light energy into chemical energy: Plant cell plastids, specifically chloroplasts, capture sunlight's energy and convert it into chemical energy (glucose) used by the plant.
3. It is constructed by connecting smaller monomer subunits: Cellulose, a glucose polymer, is formed within living organisms by linking individual glucose molecules (monomers) together.
4. Chloroplasts convert light energy into chemical energy that can be used by mitochondria: Chloroplasts produce energy (glucose) used in mitochondria for cellular respiration, showcasing their complementary roles.
5. Homeostasis: The jackrabbit's ability to regulate body temperature through ear adjustments exhibits homeostasis, a key characteristic of life.
6. Statements 1 and 2: Both processes use organic molecules as reactants (similarity), but cellular respiration releases energy while photosynthesis stores it (difference).
7. Chloroplast: Plant cells utilize chloroplasts, specialized organelles containing chlorophyll, to capture sunlight and perform photosynthesis.
8. It allows passage of particles into and out of the cell: The membrane protein likely facilitates controlled movement of substances across the cell boundary, a crucial function.
9. Graph 3: Enzyme activity peaks at an optimal temperature and declines sharply above and below, as shown in Graph 3.
10. Only active transport requires ATP: Unlike passive transport, which utilizes concentration gradients, active transport actively pumps molecules against gradients, requiring energy (ATP).
Image Solve
Photosynthesis and cellular respiration are two complementary processes that provide energy for living organisms. Photosynthesis captures energy from sunlight and stores it in glucose, while cellular respiration releases that energy to power the cell's functions. Understanding these processes is essential for appreciating the interconnectedness of life on Earth.
Photosynthesis and Cellular Respiration:
Photosynthesis and cellular respiration are two essential processes that work together to sustain life on Earth. Photosynthesis is the process by which plants and other organisms use sunlight, water, and carbon dioxide to produce glucose, a sugar molecule that stores energy. Cellular respiration is the process by which cells break down glucose to release energy that they can use to power their functions.
Vocabulary Matching:
ATP (1): The molecule that cells use to store and transfer energy.
Cellular respiration (2): The process by which cells break down glucose to release energy.
Photosynthesis (3): The process by which plants and other organisms use sunlight, water, and carbon dioxide to produce glucose.
Glucose (4): A sugar molecule that stores energy.
Energy (5): The ability to do work.
Chloroplast (6): The cell organelle where photosynthesis takes place.
Mitochondria (7): The cell organelle where cellular respiration takes place.
Catabolic process (8): A process that breaks down molecules into smaller units and releases energy.
Anabolic process (9): A process that constructs molecules from smaller units.
Chlorophyll (10): The green pigment in plants that absorbs sunlight for photosynthesis.
True or False:
1. All life needs energy. (True)
2. Glucose is a carbohydrate that stores chemical energy. (True)
3. Only heterotrophs can perform photosynthesis. (False) Autotrophs, like plants, can perform photosynthesis.
4. The products of photosynthesis are the reactants of cellular respiration. (True) Photosynthesis produces glucose and oxygen, which are used in cellular respiration.
5. Glucose is the energy carrying molecule that cells use for energy. (True)
6. Photosynthesis uses the energy in sunlight to make ATP. (False) Photosynthesis produces glucose, which is then used in cellular respiration to make ATP.
7. One molecule of ATP contains more energy than one molecule of glucose. (False) A molecule of glucose contains more energy than a molecule of ATP.
8. The process in which glucose is broken down and ATP is made is called cellular respiration. (True)
how does precipitation assist in the rock cycle
I believe this will help When water freezes in cracks and crevices in rock and expands, the rocks are physically broken apart. The amount of rainfall will affect weathering as will the types of plants in the area (which are greatly affected by the amount of rainfall), whose roots break rocks apart and may chemically dissolve some rocks.
. How does temperature change with altitude in the troposphere?
The troposphere is hotter near the Earth's surface because heat from the Earth warms this air. As the altitude increases the number of air molecules decreases, the average of their kinetic energy decreases.
Does this help?
if it does please mark me brainliest! thanks:)
In the troposphere, temperature generally decreases with increasing altitude due to fewer molecules able to absorb heat. This is represented through the lapse rate, but can vary based on factors such as weather and location.
Explanation:
In the troposphere, the layer of the Earth's atmosphere closest to the surface, temperature generally decreases with altitude. This trend is due to the nature of the gases that make up the atmosphere and how they absorb the Sun's energy. At ground level, more molecules exist and are capable of absorbing and re-emitting heat. As we increase in altitude, there are fewer molecules to absorb heat, causing temperatures to drop.A common rate used to represent this change is the lapse rate, typically around 6.5 degrees Celsius per kilometer. However, actual values can fluctuate based on humidity, weather patterns, and geographic location.
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What would happen to a sample of your red blood cells if they were placed in a hypotonic solution?
Hypotonic solutions contain a low concentration of solute relative to another solution ( The cells cytoplsm)
Thus, when a cell in placed in a hypotonic solution, the water diffuses into the cell, which causes the cell to swell up.
The cell has lower solute concentration than the solution. So the solution is HYPERTONIC and the cell is HYPOTONIC.
As a result, a cell that does not have a rigid cell wall, such as a red blood cell, t'will most definitely swell and burst when placed in a hypotonic solution.
Final answer:
Red blood cells placed in a hypotonic solution will swell due to water rushing in, potentially causing hemolysis (bursting). In hypertonic solutions, they will shrink due to water loss.
Explanation:
When red blood cells are placed in a hypotonic solution, the concentration of solutes in the surrounding fluid is lower than those inside the cells. As a result, water rushes into the cells due to osmotic pressure. This influx of water causes the red blood cells to swell, potentially leading to hemolysis, which is the bursting of the cells due to excessive swelling. Conversely, if red blood cells are in a hypertonic solution, they lose water and shrink, which is known as crenation. Red blood cells function optimally in an isotonic environment, where the flow of water in and out of the cell occurs at equal rates, maintaining the normal shape of the cells.
A woman with hemophilia and a man without hemophilia are expecting a baby boy. What are the chances that their son will also have hemophilia?
100%, 75%, 25 or 50
pretty sure its 100%
Answer:
Your correct answer is no doubt 100%
Explanation:
After Pangaea broke up, South America was part of
Rodinia
Panthalassa
Laurasia
Gondwana
South America was part of Gonwana, after Pangea broke in two
for many people in india the only source of fuel is?
the answer i think is oil
40 To test acidity levels of water, scientists test the pH. As acid rain falls, the pH levels in lakes and streams decrease. While certain animals can tolerate low pH levels, others are extremely sensitive to the effects of acid rain and cannot live under the conditions. Students in Maria's class know, based on the chart, the pH range tolerated by specific organisms living in the ponds surrounding their school Maria and several other students are anxious to design an experiment to investigate this topic.
What is the question, sorry if I misunderstood
Vaccines can help protect against viruses by triggering the production of
Answer:
The correct answer is - antibodies.
Explanation:
Vaccines are the biological substance or the preparation that helps in building the active acquired immunity from a particular disease. Vaccines are basically weakened or dead infectious agents or particles that induce or active the B cells to produce antibodies and memory cells.
These antibodies are formed by the vaccines by triggering the production of B cells. This process of injecting vaccines is known as vaccination.
Thus, the correct answer is - antibodies.
Mendelian inheritance states that traits are determined when offspring receive for each trait from . Traits can be , which means they can be seen and are capable of masking a different trait. Traits can also be , which means they can be masked. Alleles are different versions of the same in an organism.
Answers:
Mendelian inheritance states that traits are determined when offspring receive alleles for each trait from Parents.Explanation:
As per Mendel, all the traits which are present in an offspring are determined by specific genes which exist in alternate forms called alleles. For example: The height of a plant is a trait which is determined by alleles T for tall height and t for small height of same gene. The organisms acquire these alleles from parents (one allele from each parent).
--------------------------------------------------------------------------------
Traits can be Dominant which means they can be seen and are capable of masking a different trait.Explanation:
Dominant trait means when only a single dominant allele for the trait in an organism is enough for the organism to depict the trait. For example: In pea plant, purple flower color is a dominant trait over white. So any plant who contains only one dominant allele for purple (allele P) will have purple flowers but all plants that have two pp alleles will have recessive trait i.e White flowers.
-------------------------------------------------------------------------------------
Traits can also be Recessive which means they can be masked.As mentioned in above example, white flower color of pea plant is a recessive trait. Recessive means that if a plant has one copy of recessive and one copy of dominant allele, the dominant allele will suppress or mask the effect of dominant allele. Example is the above case of flower color when a plant with genotype Pp will have purple but not white flowers.
-------------------------------------------------------------------------------------------
Alleles are different versions of the same gene in an organism.Alleles are just alternate forms of a gene. For example if a plant height is determined by a gene L, it has two forms capital L and small l which are alleles of same gene. But capital L is for tall height and small l is for short height.
Hope it help!
Answer:
Mendelian inheritance states that traits are determined when offspring receive
✔ one allele
for each trait from
✔ each parent
.
Traits can be
dominant
, which means they can be seen and are capable of masking a different trait.
Traits can also be
recessive
, which means they can be masked.
Alleles are different versions of the same
✔ gene
in an organism.
Explanation:
2020 edu
How do peppered moths after the industrial revolution show the process of natural selection apex?
A.) black moths were selected for when the trees turned black.
B.) black moths were selected for when trees were white or black.
C.) white moths were selected for when the trees were white or black.
D.) white moths were selected for when the trees turned black.
Black moths were selected for when trees darkened due to pollution from the Industrial Revolution, exemplifying directional selection. So the correct option is A.
Explanation:The peppered moths after the Industrial Revolution are an iconic example of directional selection in nature. Before the revolution, light-colored moths were camouflaged against light-colored trees, making it difficult for predators to see them. However, the Industrial Revolution caused significant pollution, leading to soot covering the trees and making them darker. Because of this environmental change, the previously rare dark-colored moths became better camouflaged. As a result, black moths were selected as their chances of survival increased in these polluted environments, leading to an increase in their population. Therefore, the correct answer to the question would be A.) black moths were selected for when the trees turned black.
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Which method of birth control involves hormones?
Hormonal contraception methods, such as birth control pills, skin patches, injections, and implants, release synthetic hormones to prevent ovulation. Birth control pills come in two main forms and must be taken consistently. An intrauterine device (IUD) is another highly effective hormonal method, with proper placement and use required.
The method of birth control that involves hormones is known as hormonal contraception. Hormonal methods include a variety of applications such as birth control pills, skin patches, injections, and implants. These methods work by releasing synthetic hormones such as estrogen and progesterone to prevent ovulation.
An intrauterine device (IUD) is another highly effective hormonal method with a failure rate of less than 1 percent. IUDs are inserted into the uterus to prevent the implantation of a fertilized egg or, in the case of hormonal IUDs, to release hormones.
which one of these exhibits a notochord at some stage in its development.
A. a cat
B. a hydra
C. a brittle star
D. a tapeworm
Answer:
The correct answer option is A. a cat.
Explanation:
From the given options, a cat is an animal which exhibits a notochord at some stage in its development.
Cats, being a mammal, have backbones which puts them in the category of phylum Chordata and the subphylum Vertebrata. The chordates, unlike the members of other phyla, have a notochord which is formed during some stage of their development to support the body.
A. Would be your answer
Does arborist care for forests?
An arborist is a specialist in the care of individual trees. Arborists are knowledgeable about the needs of trees and are trained and equipped to provide proper care. does that help?
An arborist is someone who trims/ takes care of trees. Say you get a job at a tree company and you get called to trim or cut down a tree, you are an aborist. Because you trim trees doesn't necessarily mean you take care of forests. I would say no Aborists do not take care of forests.
hope this helps:)
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