A species' fundamental niche:
A)is smaller than its realized niche.
B)is what is actually occupied by that species.
C)is determined by competition between species.
D)has the necessary resources and conditions for survival.
E)is always occupied in full by most species.

Question

Quizplus · Accepted Answer

A species' fundamental niche refers to the full range of environmental conditions and resources that allow it to survive and reproduce without any competitors present. This includes factors such as temperature, food availability, and habitat type. In contrast, a realized niche is the actual set of conditions and resources that a species occupies in the presence of competitors. Therefore, the fundamental niche of a species includes all the necessary resources and conditions for survival, making choice D the correct answer.

A Species' Fundamental Niche