Question

what classifies a detritivore?
species which eat only things that are found in aquatic ecosystems
species which eats only other living beings or matter for energy
species which eat decaying animals, waste, and decaying matter

Explanation:

Detritivores are organisms that consume decaying organic matter, such as dead plants and animals, as well as waste products. This helps in the decomposition process and nutrient cycling in ecosystems.

Answer:

species which eat decaying animals, waste, and decaying matter