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natali 33 [55]
2 years ago
12

How are the Hawaiian honeycreepers an example of adaptive radiation?

Biology
1 answer:
tatuchka [14]2 years ago
5 0

Answer: In adaptive radiation, many different species evolve from a single ancestor species. Each new species evolves to exploit a different niche, such as food source. In the example above, Hawaiian honeycreepers evolved a range of bill forms in response to available food sources on the Hawaiian archipelago. The honeycreepers dispersed from one founder species, and evolved in response to natural selection based on different food sources in their isolated habitats provided by water. Seed-eating birds evolved thick, short beaks.

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How does the shape of an enzyme affect the reaction
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Answer:

The shape of the enzyme determines which chemical reaction it will speed up.May strain the bonds of the substrate or put chemical groups of the active site in the correct position to speed up the reaction.

6 0
2 years ago
Dodos were flightless birds that have been extinct for about 300 years. Imagine that biologists found two surviving dodos and ma
ad-work [718]

Answer:

Dodos were flightless birds that have been extinct for about 300 years. Imagine that biologists found two surviving dodos and mated this pair of birds. What would you expect of the resulting dodo population after three generations?

The maximum number of alleles present for any gene in the new population is two

Explanation:

As a result of this mating, in the third generation the maximum number of alleles present for any gene in the new population will be two.

7 0
3 years ago
Describe and explain the purpose of phototropism and gravitropism in plants and explain why this feature is important for the su
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Answer:

Plants have a variety of developmental, physiological, and growth responses to light—sometimes only to particular wavelengths of light.

In phototropism a plant bends or grows directionally in response to light. Shoots usually move towards the light; roots usually move away from it.

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there are some key points, hope that helps :)

4 0
3 years ago
Which of the following is NOT true of enzyme activity? a. enzyme shape may change during catalysis b. the active site on an enzy
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Answer:

D. Each enzyme can catalyze a wide variety of different reactions

Explanation:

Each enzyme can only catalyze a few, specific types of reactions.

Since enzymes and substrates are very specific to one another, enzymes cannot catalyze a wide variety of reactions.

If a substrate is not the correct one that fits in the enzyme's active site, a reaction will not occur.

So, each enzyme can only assist in a few reactions.

The correct answer is D. Each enzyme can catalyze a wide variety of different reactions

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Answer:

Lophotrochozoans (it is a protostome)

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