Population density is the average number of individuals per unit of area or volume, and population crashes in high density populations are so devastating that extinction becomes probable. Given these facts, if the number of individual members of a species becomes to high in a fixed area, the species can  among the following options:
- massive damage
 - remove limbs
 - become extinct
 - competition
 - escape their bodies
 - survive
 - shrink
 - migrate


 

   become extinct      