What can the top layer of an ecocolumn represent

The terrestrial layer represents the land habitat including plants and insects (if desired). The decomposition chamber represents a leaf litter habitat, much like a compost pile. The aquatic chamber is a mini freshwater habitat for aquatic plants and even small fish

The terrestrial layer represents the land habitat including plants and insects (if desired). The decomposition chamber represents a leaf litter habitat, much like a compost pile. The aquatic chamber is a mini freshwater habitat for aquatic plants and even small fish.

Could you give me brainlest!

answer: b: experiments that showed that all cells are similar in how they metabolize and in their composition

explanation: