Q: Fact 1: Population density is the average number of individuals per unit of area or volume. Fact 2: Population crashes in high density populations are so devastating that extinction becomes probable. Given the two facts above, if the number of individual members of a species becomes to high in a fixed area, the species can ?

Available choices: (1). massive damage (2). remove limbs (3). become extinct (4). competition (5). escape their bodies (6). survive (7). shrink (8). migrate
The answer is:
(3).