If i remember correctly asexual reproduction came first because without asexual reproduction the cells would not have been able to produce other cells so what few cells there were reproduced asexually and then it evolved onto sexual reproduction later in development
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.
I think carbon dioxide then sugars
