tiannacorreastamas

19.11.2020 • 

Biology

Practice 2 Answer the following questions on the distribution of traits caused by natural selection. Darken the circle
that corresponds to your answer choice.
1. In a tropical habitat, a variety of hummingbird species use their bills to feed on flower nectar. If a population of
hummingbirds enters a new habitat with an abundance of trumpet vine plants that have longer flowers, those
individuals with slightly longer bills will be favored in the new environment. Those hummingbirds with
medium-length and shorter bills are less successful. Which type of natural selection is at work in this example?
stabilizing selection ® disruptive selection © directional selection O bilateral selection

Ответ:

jeisleen6808

13.03.2020

Biology

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It will affect the stability of an ecosytem by giving the predator more opinon to eat.

Explanation:

For example, if there are rabbits, snakes and owls; the owls would kill the rabbits for energy. But if there weren't any rabbits; the owls would go for the snakes.

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