An ecologist is conducting an experiment with students on a class field trip, and the students are trying to gain information necessary to complete each task. One of
their tasks is to differentiate between the levels of ecological organization. Which of
the following questions would be the most useful in determining the difference
between a community and an ecosystem?
A. Which one contains biotic factors?
B. Which one would have animals in it?
C. Which one has plants in it?
D. Which one contains both biotic and abiotic factors?