Refer to the figure below showing projections of population trends for woodpeckers. Scenario 1 is no change (current conditions), Scenario 2 is enhanced adult survival, and Scenario 3 is enhanced juvenile survival.

-What is the probability that this species of woodpecker eventually will become extinct if the survival of juveniles and adults remains unchanged?
A) 1%
B) 10%
C) 25%
D) 60%
E) 99%

Question

Refer to the figure below showing projections of population trends for woodpeckers. Scenario 1 is no change (current conditions), Scenario 2 is enhanced adult survival, and Scenario 3 is enhanced juvenile survival.
 
-What is the probability that this species of woodpecker eventually will become extinct if the survival of juveniles and adults remains unchanged?
A) 1% 
B) 10% 
C) 25% 
D) 60% 
E) 99%

Quizplus · Accepted Answer

If the survival rates of juveniles and adults remain unchanged, the probability of extinction is very high, at 99%, indicating that the current survival rates are insufficient to sustain the population.

Refer to the Figure Below Showing Projections of Population Trends