Which of the Following Statements Is CORRECT

Multiple Choice

Which of the following statements is CORRECT?

A) A population cannot exceed the carrying capacity even temporarily.
B) An organism can occupy more than one trophic level, depending upon the feeding habits of the organism.
C) Once populations of organisms become isolated, they remain so by various types of isolation mechanisms.
D) The limits of a population are all traced to climatic or physical factors.
E) Organisms with different evolutionary backgrounds can occupy the same niche at the same time.