Population Dynamics and Regulation

Review Questions

Species that have many offspring at one time are usually:

  1. r-selected
  2. K-selected
  3. both r- and K-selected
  4. not selected

Hint:

A

A forest fire is an example of ________ regulation.

  1. density-dependent
  2. density-independent
  3. r-selected
  4. K-selected

Hint:

B

Primates are examples of:

  1. density-dependent species
  2. density-independent species
  3. r-selected species
  4. K-selected species

Hint:

D

Which of the following statements does not support the conclusion that giraffes are k-selected species?

  1. Giraffes are approximately 6’ tall and weigh 150 lbs at birth.
  2. Wild giraffes begin mating at 6-7 years of age.
  3. Newborn giraffes are capable of coordinated walking within an hour of birth, and running within 24 hours of birth.
  4. Giraffes rarely give birth to twins.

Hint:

C

Which of the following events would not negatively impact Yellowstone’s grey wolf carrying capacity?

  1. snow in winter
  2. a beaver damming a river upstream
  3. a forest fire
  4. chronic wasting disease in the deer population

Hint:

A