Biotic Factors depend/rely on abiotic factors because living things (biotic) need nonliving things (abiotic) to survive. Biotic rely on other Biotic factors because they need the food and resources from other living things.
For example, we (biotic factors) need energy from the sun and oxygen/air ,which is abiotic factors, to live and grow. Just like plants (biotic) need the sun's energy (abiotic) to help it grow.
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They had to change they way they live which is quite difficult it is like you going to a new school in a new state and not being used to anyone
He is correct, the correct answer is
B. club mosses, horsetails, and ferns.