A null model of community structure assumes that the presence and abundance of species within a community is
A)determined mostly by direct species interactions.
B)determined mostly by indirect species interactions.
C)not affected by species interactions.
D)both A and B.

Question

Quizplus · Accepted Answer

A null model of community structure assumes that species interactions have no effect on the presence and abundance of species within a community. The null model assumes that any observed patterns of species distribution are solely due to random chance or environmental factors such as disturbance or resource availability.

A Null Model of Community Structure Assumes That the Presence