Around the Grand Canyon the predators of deer were largely ...

[jman1234]

Around the Grand Canyon the predators of deer were largely exterminated by people. The deer population grew rapidly as a result of the lack of predators until the deer exhausted their food supply.
 
  This led to a massive die-off (known as a population crash) and hundreds of deer died of starvation. The point at which the food supply no longer supported the large deer population can best be considered a A) model.
  B) metastable equilibrium condition.
  C) threshold.
  D) dynamic equilibrium condition.

Question 2

Water covers approximately ________ of Earth's surface.
 
  A) 50 percent
  B) 90 percent
  C) 25 percent
  D) 71 percent

[ynlevi]

Answer to Question 1

C

Answer to Question 2

D