A Difference in the Methodology of Ecologists and Other Scientists

Multiple Choice

A difference in the methodology of ecologists and other scientists is that ecologists

A) use only observations, not experiments or models.
B) use observations and models, but not experiments.
C) carry out experiments at a wide variety of locations and scales.
D) use observations, models, and long-term, but not short-term, experiments.
E) typically do controlled, replicated experiments at large spatial scales over long time periods.