Habitat, Selection, & Territoriality

Question 1

What is the Ideal free distribution theory?

Answer 1

Predicts that animals will distribute themselves to match the resources in the environment.

Question 2

What is dispersal? (2)

Answer 2

1. Movement not necessarily seasonal. 2. Shorter ranges.

Question 3

What is migration? (2)

Answer 3

1. Movement usually seasonal. 2. Longer ranges.

Question 4

What are the benefits of territoriality? (3)

Answer 4

1. Exclusive access to food and mates. 2. Safe haven from predators. 3. Owner of territory usually wins disputes.

Question 5

What are the costs of territoriality? (3)

Answer 5

1. Time/energy to defend. 2. Injury from fights. 3. Costs of testosterone.