The answer is B. gibberellins
The correct option is A.
Both plants and animals have the carbon element in their body. When plants and animals die, their body organs become decay as the result of the activities of the decomposers. The activities of the decomposers releases the carbon in these dead organisms back into the soil.
Food web stability is most dependent on the number of connections among species.
Because its members are so different from one another. Protists include microscopic organisms that are not bacterias, not animals, not plants and not fungis