The flow of energy through living systems can be modeled as food chains, food webs, or
energy pyramids. The energy organisms need to live and grow first enters the
ecosystem when which of the following occurs?

photosynthesis, these organisms use chemicals to aid in chemosynthesis. They make ... can carry out the metabolic functions necessary to remain alive, grow, and reproduce. ... A food chain shows how energy flows from one organism to another. ... A food web represents the interconnected food chains within an ecosystem.

Explanation:

This is science

c is the answer because first she would blush to make the reader wonder why which they find out in the next line.

i think it is b. hope this !