2.3 Study Guide

Question 1

Give an example of an r-selected species.

Answer 1

rats; give birth to lots of babies but don’t tend to them

Question 2

Give an example of a k-selected species.

Answer 2

giraffes; give birth to one calf and treat them to the best of their ability

Question 3

What does a type-1 graph look like?

Answer 3

Starts out high but drops immediately and then levels out.

Question 4

What does a type-2 graph look like?

Answer 4

Stays and a constant rate of depletion; direct diagonal line

Question 5

What does a type-3 graph look like?

Answer 5

Levels out at high and then after a certain amount of time will directly drop.

Question 6

What type of curve would fit a cow?

Answer 6

Type-3, gives birth to one calf.

Question 7

What type of curve would fit a fish?

Answer 7

Type -1, dies very early on in life and the strongest survive.

Question 8

r- or k-selection for a species that die very early on in life.

Answer 8

r-selection