Question

1. The effects of disease in a population would be considered density dependent.

True

False

2.You discover a new species of salamander and after watching it through mating season, you determine that females lay between 1000-1500 eggs at a time on average. Based on this information and your knowledge of life history traits, you predict that the species also:

A. has low levels of parental care.

B. has a low risk of mortality at a young age.

C. reaches sexual maturity at a late age.

D. is very long lived.

E. All of the above.

3. According to the logistic growth equation:

the number of individuals added per unit time is greatest when N is close to zero.

the per capita growth rate (r) increases as N approaches K.

population growth is zero when N equals K.

the population grows exponentially when K is small.

the birth rate (b) approaches zero as N approaches K.

Answer 1

[1 ] . True. . [2 ] All of above. [3] The population 'k' is small. grows exponentially when