Answer:
well if a species has a mutation that helps it in its enviroment it will most likely live longer and get to reproduce more causing more of that same mutation therefore causing an adaptation.
Explanation:
C. The separation of sister chromosomes
A) moves substances across the cell membrane
ANSWER: B, killifish
REASONING: A secondary consumer consumes animals that eat only plants. Larvae and copepods do not fit these descriptions, because they do not eat animals. Snapper do eat animals, so do not fit the description either. Killifish eat small animals that do eat plants.
