Which Principle Is Best Illustrated by Erickson's Studies of the Shrub

Which principle is best illustrated by Erickson's studies of the shrub Clematis fremontii?

A) In efforts to protect a species, one needs to consider the areas occupied by the species at all life stages.
B) Individual behavior can affect dispersion within populations.
C) Population distributions can be patchy at several levels of spatial scale.
D) Population distribution is usually patchy only at a single level of spatial scale.