When ecologists study the way energy is distributed over a food chain or the rate at which nutrients are recycled, they're engaged in in an effort to understand how the whole system works. a) habitat ecology b) systemic analysis c) ecosystem ecology d) biosphere studies

c) ecosystem ecology

Explanation:

Ecosystem ecology is the study between habitants(animals) and inhabitants (plant, things), on how they live and interact with each other. They also look at how energy is distributed over a food chain or the rate at which nutrients are recycled.

the 2nd option is the answer

answer; earthquake;