If the number of individual members of a species becomes to high in a fixed area, the species can 
massive damage remove limbs become extinct competition escape their bodies survive shrink migrate
A B C D E F G H
Population crashes in high density populations are so devastating that extinction becomes probable.
If the number of individuals of a species increases too quickly too much in a fixed area, the species can become extinct
If the number of individual members of a species becomes to high in a fixed area, the species can  (A) massive damage (B) remove limbs (C) become extinct (D) competition (E) escape their bodies (F) survive (G) shrink (H) migrate