Answer:
I think its A. Drinking water.
Drinking water is example of maintaining homeostasis.
Explanation:
Homeostasis is the ability of a system to remain in equilibrium in terms of temperature or to maintain other physiological features. Since the sweating is responsible for cooling down the elevated body temperature hence drinking water can help in maintaining homeostasis. Homeostasis is a state where the proper functioning of body can take place. If the body is out of homeostasis or equilibrium then the function of the body will not be able to execute properly.
What process is shown below?
Answer:
Forestation.
Explanation:
When life is created on land where there originally was no life, wind brings over pioneer species, such as grasses. Over time, life takes advantage and grows bushes, trees, and so on.
The behaviors and physical characteristics of species that allow them to live successfully in their environment are called
Final answer:
Adaptations are heritable traits that help organisms survive and reproduce in their environments. Examples include the webbed feet of platypuses for swimming, the thick fur of snow leopards for warmth, and the fast speed of cheetahs for catching prey.
Explanation:
The behaviors and physical characteristics of species that allow them to live successfully in their environment are called adaptations. An adaptation is a heritable trait that enhances an organism's ability to survive and reproduce in its specific environment. Examples of adaptations include the webbed feet of platypuses, which aid in swimming, the thick fur of snow leopards for warmth in cold habitats, and the cheetah's fast speed, which is crucial for catching prey. Scientists explain that adaptations occur through a change in the range of genetic variation over time, improving or maintaining the fitness of a population to its environment.
Fill in the blank spaces on the dna & rna pairing conversion chart ( please help )
Answer:
Here is a chart that with the pairs
Explanation:
The base pairing in DNA and RNA involves the complementary pairing of nitrogenous bases. Adenine pairs with thymine in DNA and with uracil in RNA, while cytosine pairs with guanine in both DNA and RNA. Hydrogen bonds stabilize the base pairs.
Explanation:The base pairing in DNA and RNA involves the complementary pairing of nitrogenous bases. In DNA, adenine (A) always pairs with thymine (T), and cytosine (C) always pairs with guanine (G). This is known as Chargaff's rule. Similarly, in RNA, adenine (A) pairs with uracil (U), and cytosine (C) pairs with guanine (G).
For example, if one strand of DNA has the sequence AGTGCCT, the complementary strand would have the sequence TCACGGA.
The base pairs are stabilized by hydrogen bonds, with adenine and thymine forming two hydrogen bonds, and cytosine and guanine forming three hydrogen bonds.
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what is the main difference between animal cell and plant cell?
There are a few differences between plant and animal cells. One major difference is their structure; animals are enclosed by a cell membrane, but plant cells have a cell membrane and a cell wall to give them a more solid form. Another major difference is that plant cells have chloroplasts for photosynthesis whereas animal cells do not because they do not undergo photosynthesis.
Hope this helps!!
The main difference between animal and plant cells is that plant cells have a cell wall, chloroplasts, and a large central vacuole, which are absent in animal cells. However, animal cells have centrioles and lysosomes, not usually found in plant cells.
Explanation:The main difference between an animal cell and a plant cell lies in a few key structures. Plant cells have a cell wall, chloroplasts, and a large central vacuole, which are not found in animal cells. The cell wall provides additional support and protection to the plant cell. Chloroplasts are where photosynthesis takes place, and the central vacuole stores water and maintains the cell's turgor pressure.
On the other hand, animal cells have centrioles and lysosomes, which are usually not found in plant cells. Centrioles help in cell division, and lysosomes help in digestion and waste removal. Both types of cells have other common structures like the cell membrane, nucleus, and mitochondria among others.
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Sickle-cell anemia is an example of codominance. What implications does this have for people with one or two copies of the sickle-cell gene?
A. People with two copies of the mutated gene have healthy red blood cells. People with one copy of the mutated gene don't have the disease but are carriers of the disease.
B. People with two copies of the mutated gene have sickle-cell anemia. People with one copy of the mutated gene have both healthy and misshapen red blood cells and are carriers of the disease.
C. People with two copies of the mutated gene are carriers of the disease. People with one copy of the mutated gene don't have the disease.
D. People with two copies of the mutated gene have sickle-cell anemia. People with one copy of the mutated gene have healthy red blood cells.
Answer: B - People with two copies of the mutated gene have sickle-cell anemia. People with one copy of the mutated gene have both healthy and misshapen red blood cells and are carriers of the disease.
Explanation:
Co-dominance is when both the alleles of a gene in a heterozygote show. In the case of sickle cell anemia (since it is a co-dominant trait) even if the person only has one sickle cell allele, symptoms of sickle cell will still show up in that person. That's why the person in this example has both misshapen and healthy red blood cells.
Answer:
Answer: B - People with two copies of the mutated gene have sickle-cell anemia. People with one copy of the mutated gene have both healthy and misshapen red blood cells and are carriers of the disease.
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Explanation:
Dr. Peterson does an experiment to research the growth rate of mice. He has two groups of mice. He feeds one group a type of food and adds chemical A, which is supposed to increase growth rate. The other group he feeds the same food without chemical A added. His research shows that chemical A increases growth rate by 30%. He does the experiment 4 times and comes up with the same result each time.
Dr. Peterson concludes that chemical A does increase the growth rate of mice. Is Dr. Peterson's conclusion supported by scientific knowledge?
A.
No; scientific knowledge never comes from research or experiments.
B.
Yes; any study that involves a percentage is based on scientific knowledge.
C.
Yes; his conclusion is supported by evidence from his experiment.
D.
No; science cannot be used to research small animals such as mice.
Answer:
C
Explanation:
At which point along this stream are sediments most likely to accumulate, forming a point bar?
A. 4 B. 3 C. 2
Answer:
B
Explanation:
Which of the following structures stores genetic information in both
eukaryotic and prokaryotic cells?
Answer:
DNA or chromosome.
Explanation:
Without choices I can't be sure, but genetic information is found in chromosomes (1 in prokaryotes, many in eukaryotes) which contain DNA.
DNA, organized into chromosomes, is the structure that stores genetic information in both eukaryotic and prokaryotic cells. Prokaryotic cells mainly have one circular chromosome while eukaryotic cells usually have multiple linear chromosomes located in the nucleus.
Explanation:The structure that stores genetic information in both eukaryotic and prokaryotic cells is the DNA, specifically organized into chromosomes. Prokaryotic cells generally have a single circular chromosome, while eukaryotic cells typically have multiple linear chromosomes present within the cell nucleus. Regardless of their form or location, these chromosomes carry all hereditary information in the form of genes, which are specific sequences of DNA nucleotides that code for proteins, the 'workhorses' of the cell.
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A study has shown that Scotland's river otter population is increasing after falling
sharply over the last 40 years.
Otters live along the banks of rivers, usually in reeds and gaps between tree roots.
Fish are their main food.
What term is used for the place where otters live?
Answer:
An otter's den is called a holt or couch.
Explanation: Otters are found almost all over the world and in many wet habitats, such freshwater rivers, lakes, oceans, coastlines and marshes. Most otters live in dens — built by other animals, such as beavers — that are dug into the ground that have many channels and dry inner chambers
Final answer:
The place where otters live is called their habitat, which includes river banks with reeds and spaces between tree roots.
Explanation:
The term used for the place where otters live is habitat. River otters typically inhabit environments along the banks of rivers, which provide essential resources such as food, shelter, and a suitable place for raising their young. The main food for otters is fish. Otter habitats include areas with abundant reeds and spaces between tree roots where they can hide and rest. The health and stability of otter populations, like that in Scotland, indicate the overall health of the ecosystem, including the availability of clean water and sufficient prey like fish in kelp beds, and the absence of excessive predation or environmental stressors.
Question 4 (3 points)
Which of the following is used as evidence in supporting the idea that life changes
over time?
what are the answer choices? i’ll be glad to help if you leave it in the comment section.
Answer:
Where are the questions?
Explanation:
It makes me automatically do this answer format.
write any two points to justify that urbanization brings energy crisis
Answer:
Industrialization, which has become a growing part of urbanization, is heavily dependent on machines that require energy.
The increase in urban populations has led to the development of more machinery and hardware that uses up both infinite and finite sources of energy.
Explanation:
Answer:
The first point refers to the fact that concentrated energy consumption increases air pollution, with a notable impact on human health.
The second point has to do with the fact that many developing countries depend on international markets to get their own resources such as machinery, raw materials or energy inefficiently used in the production of manufactured goods, which is why a increase in the international prices of these inputs.
Explanation:
The contribution of urbanization brings about an increase in emissions of polluting gases in the air and several studies show that urbanization is related to the increase in environmental pressures such as energy consumption and CO2 emissions into the atmosphere.
As stated before, developing countries have a dependency on international markets to obtain their resources, which are used in their national productions of manufactured goods, many times these processes are affected by an inefficient use of energy, by which any change in the international prices of the inputs would also affect the prices of the products manufactured both nationally and internationally.
PLZ HELP!!! NEED RIGHT ANSWERS ONLY
Which is a powdery substance released by the flowers of certain plants, which also one of the most common allergens? A. histamine B. asthma C. pollen D. baking powder
Answer:
uhm C. Flowes have pollen.
Explanation:
C. Pollen!
Flowers release pollen and many people are allergic (allergens) to pollen
Hope this helped!
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A community has only one organism, while a population has many organisms.
Answer is first choice
Which of the following correctly describes how heat moves when it is conducted between objects?
Answer:
Heat can be transferred from one place to another by three methods: conduction in solids, convection of fluids (liquids or gases), and radiation through anything that will allow radiation to pass. The method used to transfer heat is usually the one that is the most efficient.
Answer:
from warmer objects to cooler objects
Explanation:
When two items with different temperatures come in contact with one another, energy moves from the hotter (higher temperature) object to the cooler (lower temperature) object until both objects reach the same temperature.
How are bacteria different from viruses ?
D. Bacteria can exist outside a host.
Viruses are not able to do this. They are dependent on host cells for reproduction. This is one of the prime reasons why bacteria are classified as living whereas viruses are not.
Hope this helps!!
Bacteria different from viruses D. Bacteria can exist outside a host.
the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive.
What are 3 differences between viruses and bacteria?Viruses are tinier: the largest of them are smaller than the smallest bacteria. All they have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host. They can only reproduce by attaching themselves to cells.
What is worse virus or bacteria?For more information, visit our medical review board. Most bacteria aren't harmful to humans, but most viruses are potentially harmful. Bacteria are living organisms, while viruses are parasitic and need a live host to reproduce
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Which of these actions is a sustainable agricultural practice
A. Cultivating crops that require less water
B. Feeding a large population with factory farming
C. Using water from another region to irrigate crops
D. Using groundwater to irrigate crops
Answer:
A. Cultivating crops that require less water
Explanation:
A sustainable agriculture practice is one that reduced the impact of that human activity on the environment.
A. Cultivating crops that require less water is certainly one sustainable practice because it respects the environment.
B, C and D answers are NOT sustainable practices and put in danger the reserves of water people will need to drink. On top of that, B and C would generate pollution for the transport.
Answer:
A = Cultivating crops that require less water
Over the last 120 years, the average temperature of the troposphere has _____.
stayed the same
cycled on an annual basis
increased by 0.5ºC
decreased by 0.5ºC
Over the last 120 years, the average temperature of the troposphere has increased by 0.5ºC.
What is mnemonic device to help you remember the elements that life needs to survive ?
Answer: CORD 'N' GERMS
Explanation: To remember the “Characteristics of Life” Cells, Osmoregulation, Reproduction, Death, Nutrition, Growth, Excretion, Respiration, Movement and Sensitivity.
CHON is a mnemonic device for the four most common elements in living organisms: carbon, hydrogen, oxygen, and nitrogen.
what is mnemonic device ?Mnemonic devices help the memory, using different systems like rhymes, rules, phrases, diagrams, or acronyms, help to remember, memorize, and recall information like names, dates, facts, or figures.
They turn the original information into an easy, appealing rhyme or sentence, can be stored in the brain as a meaningful chunks of data.
There are different types of mnemonic devices where many of them overlap, five most common types of mnemonic devices are acronyms and acrostics, association device, chunking, method of loci, songs and rhymes.
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The reaction that releases energy for use by the cell occurs in which site?
A. Golgi Apparatus
B. Mitochondrial membrane
C. Endoplasmic reticulum
D. Cytoplasmic membrame
Answer: A. Golgi Apparatus
Explanation:
The reaction that releases energy for use by the cell occurs in Mitochondrial membrane site. So, the correct option is (B).
What is Mitochondria?A mitochondria is a type of organelle which is found in the cells of most eukaryotes, like animals, plants, and fungi. It has a double membrane structure which uses aerobic respiration to generate adenosine triphosphate, which is used throughout the cell as a source of chemical energy.
Functions of Mitochondria are as follows:
Producing energyCell deathStoring calciumHeat productionMitochondria make up over 90% of the energy needed to sustain life and support organ function. Each cell contains hundreds to thousands of mitochondria, which are located in the fluid that surrounds the nucleus (cytoplasm).
Thus, the reaction that releases energy for use by the cell occurs in Mitochondrial membrane site. So, the correct option is (B).
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Some traits, such as the color of your eyes and the shape of your nose, are
controlled by and may affect your health and well-being.
Answer:
Is this a True or False question? If not, Them Heredity is the thing that can effect your Features (such as Nose shape and eye color) as well as health and well-being.
However, Health and well being can also be altered, like if you eat too much, or if you get in a car accident, or a loved one dies. Those can change depending on your surroundings.
Which allele combination represents a female who has a heterozygous sex-linked trait? XRY XrY XRXr XRXR
Answer:
XRXr
Explanation:
The X and Y chromosomes determine the sex of an individual. A female has a pair of X chromosomes, while the male has an X and Y Chromosome. Based on this, we can rule out the first two options, because those are males.
When we say heterozygous, this means that there is a dominant and recessive trait. In genotypes, dominant traits are represented by a capital letter, while the recessive traits are represented by a lower case letter So in this case, we are looking for Rr.
This means that our answer is XRXr.
Answer:
XRxr
Explanation:
Edge
The Krebs cycle and electron transport processes take place within the _____.
mitochondria
lysosome
vacuole
cytoplasm
The answer is Mitochondria
Answer:
The correct answer is: mitochondria.
Explanation:
The Krebs Cycle and the Electron Transport processes are part of a much bigger process with the intent to generate energy for the cell, Cellular Respiration. Cellular Respiration is basically a series of metabolic reactions that produce ATP molecules using glucose as a substrate.
Both the Kreb Cycle and the Electron Transport Chain occur inside the mitochondria. The first two steps of Cellular Respiration, Glycolysis and Pyruvate decarboxylation, happen in the cytosol and the mitochondria, respectively.
Mitochondria are the organelles responsible for ATP synthesis, though they also function as a calcium reservoir, and participate in processes like apoptosis and synthesis of steroids.
Lysosomes are organelles that contain hydrolytic enzymes that break down polymers. Vacuoles (mostly found in plant cells) are vesicles filled with water that also contain materials that can be harmful to the cell. The Cytoplasm is all the material within a cell except for the nucleus.
does an island in the ocean have high or low speciation
Islands can host high speciation rates, particularly when isolation prompts rapid adaptation and variety amongst species. However, smaller islands or those further from the mainland generally see lower speciation due to reduced migration and fewer available niches.
Explanation:Biodiversity on an island results from a combination of
speciation
, migration, and extinction. According to the work of Robert H. MacArthur and Edward O. Wilson on
island biogeography
, islands farther from the mainland generally have lower biodiversity as they are harder to reach, reducing migration rates. Within each island population, the number of species tends to increase over time to levels similar to the mainland source, assuming sufficient time without major disturbances. However, smaller islands, which present fewer niches and support smaller populations, are at a greater risk of extinction and typically see lower speciation rates. Examples of
adaptive radiation
, such as the cichlid fish in Lake Victoria, illustrate how variation can increase rapidly in isolated environments, leading to higher speciation rates.
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the cubic centimeter (cm3) is a measurement of which of the following quantities
Answer:
Volume
Explanation:
(cm3) is a commonly used unit of volume that extends the derived SI-unit cubic metre, and corresponds to the volume of a cube that measures 1 cm × 1 cm × 1 cm.
Answer:
I don't know what the list is but I assume it is volume
The reactants when fossil fuels are burned are shown below. What are the
products of this reaction?
Fosil fuel + oxygen gas
?
Burning fossil fuels create:
Energy and carbon dioxide
Answer: Fossil fuel is burned in the presence of oxygen to release energy and carbon dioxide and heat.
Explanation:
The combustion of fossil fuel release enormous amount of energy in the form of heat which is used to perform various tasks. This process also releases some amount of carbon dioxide.
Fossil fuels are formed by the compression of biomass deep inside the earth that takes thousands years to get converted into fossil fuel.
What stage of a plants life cycle produces sex cells?
Answer:
gametophyte stage: plant life cycle begins when cells in reproductive organs undergo meiosis and produce haploid sex cells (spores)
Explanation:
__is an element found in all organic molecules during respiration, animals excrete it as a gas known as ___
Answer: 1.carbon
2.carbon dioxide
Explanation:All animals exhale out carbon dioxide during respiration. Carbon dioxide is a byproduct of respiration, it Is harmful If it stays in the body for long and needs to be excreted out from the body
Plants instead of excreting out carbon dioxide use it produce glucose and oxygen, that is later on used by the animals themselves
Answer:
Carbon. CO2
Explanation:
Carbon is the common element found in all organic molecules. During respiration, animals excrete (or exhale) carbon in the form of a gas, carbon dioxide (CO2).
1. When a person does strenuous exercise, small blood vessels (capillaries) near the surface of the skin increase in diameter. This change allows the body to be cooled. Which of the following best illustrates these statements?
1Points
A
excretion
B
homeostasis
C
locomotion
D
synthesis
2. Which two statements below correctly describe one similarity and one difference between cellular respiration and photosynthesis?
Cellular respiration and photosynthesis both involve water.
Cellular respiration uses sugar and photosynthesis produces sugar.
Cellular respiration and photosynthesis both use light to produce energy.
Cellular respiration requires light energy and photosynthesis requires chemical energy.
1Points
A
Statements 1 and 2
B
Statements 1 and 4
C
Statements 2 and 3
D
Statements 3 and 4
3. Materials are able to move across a cell membrane through one of two methods: active transport or passive transport. What is the difference between the two?
1Points
A
Active transport requires the cell to form vesicles, while passive transport requires the use of membrane pumps.
B
Active transport requires the cell to expend energy, while passive transport does not.
C
Active transport is the only form of transport that requires the use of protein carriers.
D
Passive transport is the only form of transport that requires the use of protein carriers.
4. A trait in cows is determined by two alleles of a single gene: allele R is dominant, and allele r is recessive. What is the probability of the dominant trait being expressed in the offspring of a cross between one RR parent and one rr parent?
1Points
A
25 percent
B
50 percent
C
75 percent
D
100 percent
5. Overuse of antibiotics has caused antibiotic resistance in some bacteria in a population. Which statement describes the most likely impact of natural selection on the bacterial population?
1Points
A
Beneficial mutations have decreased, resulting in a larger population than normal.
B
Only the genes for antibiotic resistance are now expressed, eliminating other genes.
C
More antibiotic-resistant bacteria have survived, resulting in more offspring with this trait.
D
The bacteria have become genetically isolated, resulting in decreased reproductive rates.
Final answer:
1. The increase in diameter of small blood vessels during strenuous exercise is an example of B) homeostasis. 2. Cellular respiration and photosynthesis both involve water, but cellular respiration uses sugar while photosynthesis produces sugar. 3. B) Active transport requires energy, while passive transport does not. 4. D) The probability of the dominant trait being expressed in the offspring of an RR parent and an rr parent is 100 percent. 5. Overuse of antibiotics has led to increased survival of antibiotic-resistant bacteria through C) natural selection.
Explanation:
1. The best choice that illustrates the statements about small blood vessels increasing in diameter during strenuous exercise is B) homeostasis. Homeostasis refers to the body's ability to maintain internal stability and balance, and in this case, increasing the diameter of capillaries helps regulate body temperature during exercise.
2. The correct choice that describes a similarity between cellular respiration and photosynthesis is A) Statements 1 and 2. Both processes involve the use of water, but cellular respiration generates energy from sugar, while photosynthesis produces sugar using light.
3. The difference between active transport and passive transport is that active transport requires the cell to expend energy, while passive transport does not. Passive transport occurs naturally without the need for cellular energy.
4. The probability of the dominant trait being expressed in the offspring of an RR parent and an rr parent is 100 percent (D). Since the RR parent is homozygous dominant, all of its offspring will inherit the dominant trait.
5. The most likely impact of natural selection on a bacterial population due to the overuse of antibiotics is that more antibiotic-resistant bacteria have survived, resulting in more offspring with this trait (C). Natural selection favors traits that provide an advantage in the given environment, and in this case, antibiotic resistance provides a survival advantage.
what is true about ice and liquid water
Ice has a lower density than liquid water because it has more space between molecules.
(APEX)
what's the term for the phenomenon of a hurricane pushing water towards the shoreline
A. Storm surge
B. Tsunami
C. Rip tide
D. Wave cluster
Answer:
storm surge
Explanation:
Answer:
Storm surge
Explanation:
A storm surge, storm flood, tidal surge, or storm tide is a coastal flood or tsunami-like phenomenon of rising water commonly associated with low-pressure weather systems, such as cyclones. It is measured as the rise in water level above the normal tidal level, and does not include waves.