Donald Phillips and James MacMahon showed that the distribution pattern of creosote bush, Larrea tridentata, changes in the following sequence as they grow
A) clumped, regular, random.
B) regular, random, clumped.
C) random, regular, clumped.
D) random, clumped, regular.
E) clumped, random, regular.

Question

Quizplus · Accepted Answer

As creosote bushes grow, they initially form clumped distributions due to limited seed dispersal and favorable microhabitats. As they mature, competition leads to a more random distribution, and eventually, they exhibit a regular distribution due to competition for resources.

Donald Phillips and James MacMahon Showed That the Distribution Pattern