Certain lizards display a survivorship curve where the chance of survival is independent of age. Which line on the graph best depicts the survivorship of these lizards?
A
B
C
D
Based on the data in the graph, which of the following is closest to the average population growth rate per year from year 4 to year 7 in the rabbit population?
1342 rabbits per year
1014 rabbits per year
338 rabbits per year
210 rabbits per year
Which of the following changes would most likely lead to a mammal population exceeding its carrying capacity?
A decrease in the number adult females during mating season
A decrease in the food supply immediately after offspring are born
An increase in mortality of adults during mating season
An increase in the number of predators immediately after offspring are born
Based on the data in the graph, which of the following best identifies the reproductive strategy of harbor seals?
Type II
K-selected
r-selected
TYpe III
Based on the graph, what is the approximate carrying capacity of the seal population?