Answer:
true ribs, false ribs, floating ribs
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.
answer:
it took 17,000 years for CO2 to go from 200 to 300 ppm.
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