How Might an Ecologist Test Whether a Species Is Occupying

Multiple Choice

How might an ecologist test whether a species is occupying a fundamental niche or a realized niche?

A) Study the temperature range and humidity requirements of the species.
B) Observe the effect of variations in habitat resources on the niche size.
C) Introduce a similar non-native species,and record niche size changes.
D) Measure reproductive rates as a species is under environmental stress.
E) Examine changes in the species range upon removal of a competitor.