Answer:
Researchers have found evidence which suggests that evolution drives animals to become increasingly more complex.
Explanation: i looked this up....
Answer:
Answer: causing degradation of transcription factors and changing which genes are expressed
Explanation:
C. Makes the most sense to me
Oxygen, carbon dioxide and your mom
Population bottlenecks. but their genes still carry the marks of this bottleneck: they have much less genetic variation than a population of southern elephant seals that was not so intensely hunted.