General Ecology Chapter 9

Question 1

Survivorship of which of the following organisms is most likely to be analyzed with a static life table?

Answer 1

Elephant

Question 2

Complete the following hypothetical life table for a bird and calculate the next reproductive rate, R0:

Answer 2

1.3

Question 3

—– survivorship curves are usually associated with organisms that have high mortality rates in the early stages of life

Answer 3

Type III

Question 4

If the net reproductive rate is equal to 0.5 what assumptions can we make about the population?

Answer 4

This population is in decline

Question 5

In a population of beavers, if n2 = 500, n3 = 300, n4= 200, what is d3?

Answer 5

100

Question 6

If n0 = 100, and d0 = 20, what is q0?

Answer 6

0.2

Question 7

If n2 = 800, and d2 = 200, what is n1?

Answer 7

1,000

Question 8

If nx = 600, and nx+1= 400, what is Lx?

Answer 8

500

Question 9

If Nt = 100 and R0= 0.5, what is the value of Nt+1?

Answer 9

50

Question 10

Type 1 survivorship curves includes:

Answer 10

Large mammals