The answer is D. The natural selection is a theory which illustrates the gradual process of evolution in the population due to the change of environment. The key point is the mutation (variation) exists in the population before the environment changing. For C, if the environment does not change, though the adaptation is useful to environment, it will not be selected. Because the organisms without the adaptation will not die.
Answer:
D
Explanation:
I am working on that kind of stuff right now
Answer:
The color of the light changed
Explanation:
Correct on edge
Answer: Hablo un poco pero no demasiado.
Explanation: Tres años de clases de español
Cell membrane is the answe