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Homologous structures - common ancestor, similar structure, different function

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Answer:

Homologous structures point to a similar origin and a common ancestor, analogous structures are when animals have similar structures with similar function, but they evolved separately. Examples include the wings on butterflies, bats, and birds. They're all used to fly, but the animals are not directly related.

Explanation:

I searched it lol.

Answer:

It is either y or nb

Explanation:

I had a lesson on this but don't remember exactly.  

Answer:

Explanation:

Example of non living thing in coral reefs are sea shells,example of living things are lobsters, clams, seahorses, sponges, and sea turtles.

Answer:

D. Lipids

Explanation:

A biological molecule that is made up of glycerol and fatty acids is known as Lipid. Thus, the correct option is D.

Biological macromolecules may be defined as those large and organic molecules that are important to biophysical processes. It includes carbohydrates, lipids, proteins, and nucleic acids.

Nucleic acids are derived from a pentose sugar, a phosphate group, and a base. Protein is derived from their monomers known as amino acids. Carbohydrates are derived from monosaccharides units such as glucose. It includes carbon, hydrogen, and oxygen.

Triglycerides are a simple form of lipids that are constructed with the help of one molecule of glycerol while three molecules of fatty acids.

Therefore, a biological molecule that is made up of glycerol and fatty acids is known as Lipid. Thus, the correct option is D.

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The mutation affects DNA and chromosomes by changes in the sequence of DNA or changes in the gene present on the chromosome.

The mutation is a sudden change in the structure of chromosomes or DNA. The smaller mutation affects the nucleotide base in DNA, while the larger mutation affects the genes present on the chromosomes.

The substance which causes mutation is known as mutagens. Mutation can cause problems in growth and development and affects the functioning of the body. When changes occur in chromosomes or DNA, they cause changes in the protein. Due to this, a different kind of protein is produced.

The mutation is caused by the insertion, duplication, deletion, and substitutions of a DNA sequence. Thus, mutation can affect DNA and chromosome in many ways.

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Answer:

produce spores

contain hyphae

contain a fruiting body

Explanation:

Answer:

root cells

Explanation:

because it shows the more complex part of the organism

Answer:

c

Explanation:

Answer:

answer is B

Explanation:

The original species died out, and several new species evolved that have desirable traits to survive in the changing environment. Therefore, the correct statement is option D.

There are changes in species among different rock layers when the fossils are studied. Fossils are the preserved remains of living organisms from the past, and they provide information regarding different types of organisms lived during that particular period of time.

Scientists have found different fossils in different layers representing different groups of organisms. Various factors are responsible for these changes, including environmental changes, competition, genetic drift, etc.

Theory of evolution states that species evolve from time to time through natural selection, where individuals with desirable traits have high chances to survive. Therefore, the original species in rock layer 1 did not survive in the changing environmental conditions, and they died. However, new species evolved that were better suited to the new environment and have high chances of survival due to natural selection and adaptation.

Therefore, original species died, and new species evolved that were better suited to the environment.

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Answer:

archea

animal

bacteria

archea

plants

fungi

Explanation:

Bio genius :)

Most likely the grass population will decrease and the wolf population will increase.

Eventually it should level out again though.

If the population of deer will increase will result in the decrease in grass quantity.

A food chain is a linear network of links in a food web that begins with producer organisms and ends with an predator, detritivores, or decomposer species.

A food chain also shows how organisms are related to one another through the food they consume. Each extent of a food chain represents a distinct trophic level.

Overgrazing occurs when there are too many deer in a given area, resulting in the loss of brush and shrubs in forested areas. The absence of undergrowth means that small animals and birds have no place to shelter and nest.

As a result, many native species are becoming extinct because they no longer have access to the habitat they require.

Thus, the grass population will decrease as a result of increase in deer population.

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Answer:

The Federalists felt that this addition wasn't necessary, because they believed that the Constitution as it stood only limited the government not the people. The Anti- Federalists claimed the Constitution gave the central government too much power, and without a Bill of Rights the people would be at risk of oppression.

So B, They wanted to protect people rights to be protected

Answer: The answer is d

Explanation: And a brain list please

C is the Answer

Explanation:

The answer should be the different types of tissues working together to carry out a function

Answer:

A) Evolution occurred because the allele frequency changed over time.

C) The rabbits with mottled brown fur have a selective advantage that gives them more camouflage from predators.

E) The mutation had a positive effect, allowing those rabbits with the mottled brown fur to survive and reproduce better than those with the brown or white fur.

Explanation:

Based on the data, you can conclude:

Evolution occurred because the allele frequency changed over time.

The rabbits with mottled brown fur have a selective advantage that gives them more camouflage from predators.

The mutation had a positive effect, allowing those rabbits with the mottled brown fur to survive and reproduce better than those with the brown or white fur.

The possible conclusions that can be drawn are

The mutation is a change in the DNA sequence that results from the copying mistakes that tke place during the cell division and the exposure to the radiating agent, exposure to virus and chemicals also leads to the cases of gene mutation.

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Question:

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Answer:

A, because in order to create a big storm, the temperature has to be at least  40-20 degrees Fahrenheit (below 30 is freezing point, aka snow), and that would be weather where you would need to wear a thick jacket and warm pants.

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- niaxfandoms (ig and yt)

Answer:

C. One parent, NO union of gametes, offspring genetically identical

Explanation:

This is only true for Asexual Reproduction. There is one parent only, no union of gametes, and the offspring is completely identical to the parent.

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Answer:

Mitosis produces two diploid (2n) somatic cells that are genetically identical to each other and the original parent cell, whereas meiosis produces four haploid (n) gametes that are genetically unique from each other and the original parent (germ) cell.

Explanation:

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Answer: Sperm cells and Egg cells don't go through mitosis.

Explanation:

Answer: Germ cells do not undergo mitosis.

Explanation: hope i helped!

Answer: Nerve cells and muscle cells are excitable because their cell membrane can produce electrochemical impulses and conduct them along the membrane.

Explanation:

Answer:

Gentic Makeup, and Movement

Explanation:

The statement which accurately describes the relationship between air pressure, air density, or altitude is:  D. Denser air exerts more pressure than less dense air.

Air circulation can be defined as the movement and flow of atmospheric air from one point of the equator to another such as North pole to South pole, especially over long distances due to difference in atmospheric pressure.

Generally, atmospheric air that has more density (denser air) would exert more pressure than an atmospheric air that has less density because of a difference in temperature.

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The statement that describes the relationship between air pressure, air density, or altitude is "denser air exerts more pressure than less dense air," hence option D is correct.

In contrast to the specific volume, which is described in terms of unit mass of dry air, air density is defined as the mass of air per unit volume.

Everything you touch is pressed upon by the weighty air that surrounds you. This pressure is referred to as air pressure or atmospheric pressure.

This is due to the fact that more air molecules are crammed into a given amount of air as density increases.

The force exerted by more air molecules to be greater, and as pressure is the force exerted per unit surface area, it follows that higher density air will experience greater pressure than air with lower density.

Therefore, option D is correct.

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Answer:

All living things have DNA within their cells so it is a yes

Explanation:

Answer:

Low genetic diversity, which is seen with allele fixation, is dangerous as it can lead to mass extinctions. If there is little genetic variability within a population and the genetically similar individuals all are susceptible to a certain pathogen, the population will likely cease to exist. This is why we see examples of populations with fixed alleles becoming threatened or endangered

Explanation:

basically, it will cause extinction

Answer:

I did the test; proof

Answer:A habitat is the place where an organism lives while a niche is that organism's role within that environment.

Explanation:

Answer:

Down Below:

Explanation:

Habitat = the natural home or environment of an animal, plant, or other organism.

Niche = a comfortable or suitable position in life or employment.

Answer: Natural alternatives to synthetic chemicals

Garlic spray for aphid infestation.

Chilli spray for soft-bodied insects.

Bordeaux spray for fungal diseases.

Molasses spray for chewing insects.

Oil sprays for sap-sucking insects.

Explanation:

Answer:

Its a guyot.

Explanation:

That picture on the screenshot looks like the one I put in

Answer:

guyat

Explanation:

A flap of tissue called the epiglottis sits over the top of the trachea. This flap blocks food and drink from going down into the trachea when you swallow. But in some cases, food or drink can enter the trachea. It may go down as you swallow.

Answer:

Larynx

Explanation: