What Causes Competition Between Two Species? Select the TWO Answers

Multiple Choice

What causes competition between two species? Select the TWO answers that are correct.

A) One species successfully prevents another species from using a resource.
B) Their habitat has only a limited quantity of a resource both species need.
C) Their environment lacks a resource that one of the species requires.
D) Males of the two species compete for mates belonging to the other species.
E) The two species do not have a way to partition a resource they both need.