Answer:
ITS B: ( AERATE ) I TOOK THE TEST AND GOT IT WRONG BC I PICK MOISTEN
Explanation:
Scientists break down evolution into which two categories?
microevolution and macroevolution
macroevolution and genetic drift
microevolution and mass extinction
natural selection and macroevolution
Answer:
Option A, microevolution and macroevolution
Explanation:
Scientist have categorized evolution base on the time scale into following two categories
a) Macroevolution – These are the processes which take a long time to occur such as formation of a new species, extinction of any rare species etc, Also it affects a large mass of population or the entire population
b) Microevolution – In this, the processes of change take a short time and usually they impact only a certain set of species for a shorter time period.
Thus, option A is correct.
Answer:
A. Microevolution and Macroevolution
Explanation:
Scientists break evolution down into 2 parts: Micro and Macro evolution.
- Microevolution is evolution in a community, and it is very slow and gradual. For example, wolves overtime evolved into dogs, and over time, mosquitos became resistant to chemicals set out to kill them.
- Macroevolution is the type of evolution that refers to long, large changes in evolution over long periods of time and can lead to the creating of new species. For example, a dinosaur species evolves over time into a bird species.
Hope it helped!!
P.S Here is a picture of the difference between Micro and Macro that helped me when I was learning this!!
Which trial in the table of data shown has questionable data
Answer: dataset Z
The genus of aquatic plants known as Elodea is composed of 6 species that are also called waterweeds. Native to South and North America, these plants are very popular in aquariums.
The table in the image presents the stem growth of plant stems in 22 days. In three of the trials, the stems grow constantly. However, in dataset Z the growth reaches a maximum in day 15, followed by a decrease in day 22.
As nothing additional is mentioned in the question about the presence of any possible species that may feed on these plants, this decrease is anomalous. As it is absent in the other trials, it is safe to assume that a measurement error has occurred. Thus, dataset Z has questionable data.
what steps did the incas take to unite their empire
They built a vast network of roads, bridges, and tunnels
the purpose of this is to establish a route that the incas can use to build a relationship with other nations, either for economic or diplomatic purposes
They imposed their language and religion on conquered peoples.
By doing this, they are plannig to spread their culture and influence to their conquests and make absorbed them into a part of their population. (which would increase their millitary reserve)
It’s the second and third one
PLEASE HELP!!! This is the act of being responsible while working on a scientific investigation?
Lab Safety
This is the act of being responsible while working on a scientific investigation; following directions, wearing apron and goggles, knowing the location of emergency equipment, etc.
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BRAINLIEST! (AS ALWAYS) Which of these examples describes a structure penguins use for movement?
Question 9 options:
A penguin stands with a group of other penguins when a predator approaches.
A penguin holds an egg under its feathers to keep it warm
A penguin uses sleek, smooth belly feathers to slide on ice
A penguin holds a squid in its bill.
It is the third option. Reason being is because the first one describes what they do when danger approaches and it doesn't say anything about moving. The second one describes what they do to protect their young from the harsh environment around them; no movements mentioned. The fourth one just says what a penguin does but they can be standing when they do it; no mention of any movements at all.
Hope this helps!! :)
Answer:
A penguin uses sleek, smooth belly feathers to slide on ice
This DNA nucleotide is the base-pair for guanine
The answer is purines
in which process do plants release oxygen?
A. Photosynthesis
B. Percolation
C. Transpiration
D. Evaporation
Photosynthesis is your answer :)))
NEED HELP ASAP
In horses, black hair is dominant, and light-colored hair is recessive. If a white stallion is crossed with a mare that is homozygous for the gene for black hair, what is the probability that ALL of the offspring will have black hair?
100%
50%
25%
0%
100 percent because the white hair is reccesive which means it would be more likely for there grandhorss to have it
good luck
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list the 5 stages of the cell cycle in order
interphase, prophase, metaphase, anaphase and telophase
Final answer:
The cell cycle includes five main stages: Interphase (including G₁, S, and G₂ phases), Prophase, Prometaphase, Metaphase, Anaphase, followed by Telophase and Cytokinesis. These stages ensure accurate DNA replication and division, and are tightly regulated to prevent errors such as those leading to cancer.
Explanation:
The cell cycle is a series of events that cells go through as they grow and divide. A eukaryotic cell cycle consists of the following five stages in order:
Interphase: Comprised of three phases: G₁, S, and G₂, where the cell grows and DNA is replicated.Prophase: Chromosomes condense, and the spindle apparatus begins to form.Prometaphase: The nuclear envelope breaks down, and spindle fibers attach to chromosomes.Metaphase: Chromosomes line up at the metaphase plate.Anaphase: Chromosomes are pulled apart to opposite poles of the cell.After these stages, Telophase follows with the decondensation of chromosomes and reformation of the nuclear envelope, and then the cell division completes with Cytokinesis, where the cell actually divides into two separate cells.These stages ensure that the cell's DNA is accurately replicated and divided between two daughter cells. Close regulation, through checkpoints, is crucial for the proper functioning of the cell cycle, and its dysregulation can lead to uncontrolled cell division, such as cancer.
A few drops of milk are added to a glass of water, producing a cloudy mixture. the water is still cloudy after standing in the refrigerator for a week what is this mixture called?
Homogeneous mixture
If this strand of DNA were used, what would be the complementary DNA produced? CGA CT A. GCG GA B. GCT GA C. CGA CT D. TAG TC
CGA CT complementary DNA will be GCT GA.
What is base pair?DNA is made up of four bases: adenine (A), thymine (T), guanine (G), and cytosine (C), according to the Watson-Crick base pairing, which is the foundation for the helical structure of double-stranded DNA.
Complementary base pairing is described as the phenomenon in which guanine always forms hydrogen bonds with cytosine and adenine always forms hydrogen bonds with thymine in DNA.
Base pairing of purine and pyrimidine in either GC or AT.
Base pairs are frequently used to determine the size of a single gene within a DNA molecule. The total number of base pairs is equal to the number of nucleotides in one of the strands.
Thus, we can conclude that option B is correct.
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many species of moths will fly toward bright light which of the following describes this behavior?
A. The moths have become habituated to bright light
B. The moths are displaying classical conditioning\
C. The moths have used insight learning to respond to the light
D. The moths display an innate response to an external stimulus
I think that it is D, not 100% tho
Answer:
D. The moths display an innate response to an external stimulus
Explanation:
A stimulus is any change in internal or external conditions of organisms to which they respond. Here, bright light serves as external stimulus to which the moth species respond by flying towards it. This behaviour of moth species to fly towards bright light is present in them since birth, that is, it is an innate response.
Using the table, which statement is true?
Question 12 options:
Organisms in both Groups A and B have similar mechanisms for controlling their internal temperatures.
Organisms in Group A have fewer mechanisms for controlling their internal temperatures than those in Group B.
Organisms in both Group A and B usually coexist peacefully.
Organisms in both Group A and B are extinct species.
Your answer would be B.
Answer:
It is B : Organisms in Group A have fewer mechanisms for controlling their internal temperatures than those in Group B.
Explanation:
Food handlers are required to do which of the following at work
what is the list of things? food handlers usually have to wear hairnets, gloves and wash their hands often to prevent cross contamination and the spread of bacteria.
Food handlers are required to ; i) Deliver food ii) serve iii) package food iv) store food and v) cooking
Food handlers are workers that come in direct contact with prepared or semi-prepared food during any of the food preparation stages before it gets to the consumer.
Food handlers are required by law to be properly trained in food hygiene procedures to help prevent food contamination before it gets to its consumer. therefore food handlers are expected to obey proper food hygiene rules
Hence we can conclude that Food handlers are expected to do the following as listed above.
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Although the options related to your question is missing a general answer is provided
What are two features that form through wind deposition?
sand dunes and loess deposits
Two features that form through wind deposition are sand dunes and loess deposits.
What are sand dunes?
Sand dunes are mounds or hills of sand that form as a result of wind action.When wind encounters an obstacle or a change in wind speed, it slows down, depositing sand grains that it carries. Over time, these deposited sand grains accumulate and form dunes. Sand dunes can have various shapes, such as crescent-shaped, linear, or complex and multi-lobed. They are commonly found in deserts and coastal areas.What are Loess deposits?
Loess is a type of fine-grained sediment composed mainly of silt-sized particles that are transported and deposited by the wind. It is typically formed from the accumulation of wind-blown dust and sediments derived from sources such as dried lake beds, river floodplains, or glacial deposits. Loess deposits can be extensive and cover large areas. They are usually unstratified and characterized by their fertile nature, making them valuable for agriculture. Loess landscapes often exhibit gentle slopes and distinct, easily eroded features.Therefore, both sand dunes and loess deposits are examples of landforms shaped by wind deposition processes.
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In the diagram, the top square and circle represent the _____________ generation.
A) F1
B) F2
C) G
D) P
Answer:
p
Explanation:
Answer: P generation
Explanation:
These are the P generation, that is the parental generation that gives rise to subsequent F1 and F2 generations.
Think about the differences in various soil types. What type of soil or Earth material does the following list of characteristics BEST describe? *Feels smooth *Has moderate amount of air space *Holds water well *Becomes slippery when wet A) clay B) gravel C) sand D) silt
I think it is D due to how much room that soil can hold.
The mentioned characteristics describe clay soil. It is smooth, becomes slippery when wet, has moderate air space and holds water well.
Explanation:The characteristics described in your question are most closely aligned with the properties of clay soil. Clay soil is known for its smooth texture when dry, and it becomes quite slippery when wet. It has a moderate amount of air space, which provides sufficient room for root growth. Clay soil also has a unique feature in that it has high water holding capacity, meaning it can hold onto water more tightly than sand or gravel. This characteristic makes clay soil beneficial for plants that require a consistent supply of moisture.
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On the ph scale which of these is the stronger acid
Why do nitrogen molecules have a bond order of three, whereas oxygen molecules have a bond order of two?
This is because the electron configuration of Nitrogen is 2.5 while that of oxygen is 2.6. This is putting into perspective that the stable configuration for this period of elements is 2.8. Therefore Nitrogen would require 3 electron to reach stable configuration (2.8) while oxygen requires 2. This means that in sharing of electrons in covalent bonds, nitrogen will form three(3) bonds while oxygen will form two (2).
Molecular nitrogen, N₂, has a bond order of three because it consists of two nitrogen atoms triple bonded to each other, whereas oxygen molecules, O₂, have a bond order of two due to each oxygen atom forming a double bond with the other oxygen atom.
Explanation:Molecular nitrogen, N₂, has a bond order of three because it consists of two nitrogen atoms triple bonded to each other. This means that they share three pairs of electrons. This triple bond is very strong, making N₂ fairly inert and difficult for living systems to break apart.
On the other hand, oxygen molecules, O₂, have a bond order of two. Each oxygen atom shares a double bond with the other oxygen atom, which involves sharing two pairs of electrons. This double bond is not as strong as the triple bond in nitrogen, allowing for easier breaking and reactivity.
In summary, the difference in bond order between nitrogen and oxygen molecules is due to the number of bonds they form and the strength of these bonds.
To remain sustainable over a long period of time a forest might have to
A. Remain the same over the long term
B. Remain the same in the short term
C. Change over the long term
D. Change in the short term
Answer:
A
Explanation:
Answer:
D
Explanation:
I need help plz asap
when an animal has a simple structure of only one cell, they get their nutrients from their environment. when animals have a more complex structure, you and infer that they are multicellular and they have a specialized way of breaking down their food. thus, meaning they can be herbivores, omnivores, or carnivores.
You can look at their anatomical structures to see what structures they use to digest said food. For instance, if you were to look at a skeleton and saw that the animal had strong, flat-topped teeth, one would assume they are plants because those strong molars are needed to chew the tissue of plants.
Match the object with its characteristic
Moon: Not magnetic
Compass: Permanent Magnet
MRI: Not Magnetic
Answer:
The correct matches are:
Moon: Not magnetic
Compass: Permanent Magnet
MRI: Not Magnetic
Explanation:
Moon does not show any type of magnetism as it is not magnetic. Compass has a permanent magnet in itself. The north pole is indicated by the north pole indicator in the compass. Its needle is a free moving magnet that aligns according to the north pole.
MRI is a scan that uses strong radio waves and magnetic fields to provides fine images of inside the body. It contains two large tubes of electromagnets.
Thus, the correct answer is Moon- Not magnetic
Compass- Permanent Magnet
MRI- Not Magnetic
which of the following best indicates the sequence of oxygen flow though the parts of the respiratory and circulatory systems?
A. veins, trachea, lung capillaries, alveoli
B. trachea, alveoli, lung capillaries, arteries
C. lung capillaries, trachea, veins, alveoli
D. trachea, arteries, alveoli, lung capillaries
C
I'm kind of sure. good luck
Answer: The correct answer is -
B. trachea, alveoli, lung capillaries, arteries.
Explanation:
During respiration, atmospheric oxygen is taken in through nostril, after which it travels the respiratory route that is nostrils, followed by pharynx, trachea, bronchus and smaller branches of bronchial tree and then into the alveolus.
The oxygen is passed to lung capillaries from alveoli, which is then passed to pulmonary artery that picks up oxygen from lungs and releases carbon dioxide to be exhaled out.
Thus, option B) is the right answer.
Which tool enhances weather forecasts by enabling monitoring, which is necessary for predicting global weather and environmental events?
map
satellite
weather balloon
automated weather station
The correct answer is - satellite.
The satellites are something that is crucial for the functioning of the modern day world in pretty much all aspects. They are also very important in the climatology and meteorology. The satellites are able to monitor the whole planet, thus through them it can easily be seen where the air masses are moving, what type of air masses are moving towards where, their speed of the air masses, is there clouds, and if there is where are they moving, formation of large storms etc. ll of these information from the monitoring of the satellites go to the weather stations, where the weather forecasts are made, and than through the media reach the people all over the world.
Answer:
B
Explanation:
satellite
Choose two genetic disorders and tell how they are inherited
1. Two examples of genetic disorders are CYSTIC FIBROSIS AND SICKLE CELL ANEMIA.
CYSTIC FIBROSIS
Cystic fibrosis is typically inherited when a defect occur in the CFTR gene of an individual. The CFTR gene is responsible for production of a protein that regulates the movement of water and salts out of the body cells. This gene does not perform optimally in people who have cystic fibrosis and this leads to the production of thick, sticky mucus and extremely salty sweat. Individuals who have this disease usually inherit two copies of the defective gene, one from the father and the other one from the mother.
2. SICKLE CELL ANEMIA
Sickle cell anemia is a genetic disorder of the blood, which is cause by inheritance of two copies of abnormal hemoglobin from parents. The hemoglobin is responsible for movement of oxygen all through the human circulatory system. The abnormal hemoglobin causes defective red blood cells, which can not move oxygen around efficiently. Thus, individuals with this disease do not usually get enough oxygen in their blood, this leads to fatigue and chronic pains plus several other negative medical conditions.
Sweat glands, fur, and feathers are found on an endotherm.
Question 8 options:
True
False
The above statement is True
Sweat glands, fur, and feathers are found on an endotherm.
Explanation;An endotherm is an animal that can control its internal body temperature. Endotherms' body temperature is usually much warmer than the temperature of the environment and usually stays about the same temperature.Endoderms have adaptations that help them regulate their body temperature. For example; Sweat glands help keep endotherms cool. When an endotherm gets hot, the sweat evaporates and cools the animal's skin.Fur and feathers are another adaptation to regulate body temperature. All these coverings helps to keep the animals warm.Answer:
TRUEEE
Explanation:
Polygenic genetic traits follow a _____ inheritance pattern
Answer:
Because multiple genes are involved, polygenic traits do not follow Mendel's pattern of inheritance
Explanation:
hope this helps
Answer:
there u go can u give me brainlist
Explanation:
Which is one of the five characteristics of life
growth and change is one of them
The process of changing reaction rates is called
The process of changing reaction rates is called chemical kinetics.
What do you mean by chemical kinetics?
Chemical kinetics, also known as reaction kinetics, is the branch of physical chemistry that is concerned with understanding the rates of chemical reactions.
Moreover, chemical kinetics tell us the speed at which chemical species transform into new substances by breaking and reforming their molecular bonds.
Hence, chemical kinetics is the branch of physical chemistry that is concerned with understanding the rates of chemical reactions.
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Which of the following is a source of carbon dioxide in the atmosphere?
factories
plants
sunlight
animals
Answer:
The answers are Factories, Plants, and Animals. (not sunlight)
Explanation:
The source of carbon dioxide in the atmosphere is Factories, Plants, and Animals.
What is carbon dioxide?Carbon The main source of the increase in dioxin concentrations is the combustion of fossil fuels for energy. We are adding carbon to the atmosphere in only a few hundred years that plants removed from the atmosphere through photosynthesis over many millions of years in the form of fossil fuels like coal and oil.
Annual emissions from burning fossil fuels have increased steadily every ten years since the middle of the 20th century.
Experts on the carbon cycle estimate that over the decade from 2011 to 2020, natural "sinks"—processes that take carbon from the atmosphere—on land and in the ocean absorbed the equivalent of nearly half of the carbon dioxide humans released annually.
The amount of carbon dioxide in the atmosphere rises every year because we release more carbon dioxide into the atmosphere than natural processes can absorb.
Therefore, The source of carbon dioxide in the atmosphere is Factories, Plants, and Animals.
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