Ancient organism remains, fossil layers, similarities among organisms alive today, similarities in DNA and similarities of embryos.
Answer:
anaphase
Explanation:
(don't mind this need 20)
Without variation in the population there will be no differences in relative fitness/differential reproductive success between individuals as a result of natural selection. Without differences in relative fitness between individuals there will be no change in frequency of alleles in the population overtime.
Answer:
Viruses cannot reproduce on their own, but inject their DNA into living cells in order to make copies of themselves.
Explanation:
A virus cannot reproduce itself outside the host because it lacks the complicated machinery that a [host] cell possesses.
