Which description does not fit the definition of an ecosystem study?
A) The transformation of energy through a group of forest-floor species
B) The cycling of carbon through a group of soil bacteria on the forest floor
C) Measurement of primary production by all producers in a large forest
D) Atmospheric nitrogen fixation by plants in a forest environment
E) Competitive and cooperative interactions among forest-floor beetle species

Question

Quizplus · Accepted Answer

Ecosystem studies focus on energy flow and nutrient cycling, not on species interactions like competition or cooperation.

Which Description Does Not Fit the Definition of an Ecosystem