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1.Which bird might a biologist consider the "most fit"?
2.According to the theory of natural selection,where did the variations in body length in the four birds most likely come from?
3.What could cause one species to evolve into four species over times?​

Sagot :

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1. A male bird with a genetic defect that prevents him from reproducing

2. I don’t know... Sorry.

3. Species change over time; some traits become more common, others less. This process of change is driven by natural selection. The traits that become more common are the ones that are “adaptive” or “increase fitness” (that is, a creature's chances of living longer and producing more offspring).

Explanation:

Sana maka tulong//I hope it helps

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