Use the following to answer questions :
Refer to the graph below.
-In the graph, the population size at which the curves for the birth and death rates intersect is
A) an estimate of the environmental carrying capacity.
B) an estimate of the intrinsic rate of increase.
C) the point at which density-dependent regulation begins.
D) the point at which density-independent regulation begins.
E) an estimate of the biotic potential of the population.

Question

Use the following to answer questions :
Refer to the graph below. 
-In the graph, the population size at which the curves for the birth and death rates intersect is
A) an estimate of the environmental carrying capacity. 
B) an estimate of the intrinsic rate of increase. 
C) the point at which density-dependent regulation begins. 
D) the point at which density-independent regulation begins. 
E) an estimate of the biotic potential of the population.

Quizplus · Accepted Answer

The intersection point of the birth and death rate curves represents the carrying capacity of the environment, which is the maximum population size that can be sustained by the available resources in the habitat. At this point, the birth rate equals the death rate, and the population size becomes stable as it reaches the limit of available resources.

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