An oxygen atom would be the smallest particle representing hydrogen peroxide.
hope that helps :)
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: I believe it is Thigmotropism.
Aesthetic potentially due to the decay but also environmental
