When defining the concept of a community, ecologists today recognize that communities
A) must have a precise number of species.
B) must extend over a relatively large geographic area.
C) do not always have easily recognizable boundaries.
D) always have precise, well-delineated boundaries.
E) only consist of species that spend the entire year inside community boundaries.

Question

Quizplus · Accepted Answer

Ecologists now recognize that communities do not always have easily recognizable boundaries. This is because the borders between communities can be quite fuzzy, with some species occurring in multiple communities or with a gradient of environmental conditions that leads to gradual shifts in community composition.

When Defining the Concept of a Community, Ecologists Today Recognize