General Ecology Chapter 10

Question 1

If R0 = 1.1 and Nt = 1,000 what is Nt+1?

Answer 1

1,100

Question 2

The maximum number of individuals a certain area can sustain is known as:

Answer 2

the carrying capacity

Question 3

Which of the following factors may change carrying capacity over time?

Answer 3

Weather pattern changes, numbers of other species that are present in the habitat, deforestation, and soil chemistry changes

Question 4

The maximum rate of population growth for a continuously breeding population is known as:

Answer 4

Intrinsic rate of increase

Question 5

If r = 0.1, K = 100, and N = 50, what is dN/dt?

Answer 5

2.5

Question 6

Age structure refers to:

Answer 6

the relative number of individuals in each age group

Question 7

The current human population of the Earth is approximately:

Answer 7

7 billion

Question 8

The amount of land necessary for survival for each person in a sustainable world is known as:

Answer 8

The ecological footprint

Question 9

If b = 0.55, d = 0.45, and N = 1,000, the dN/dt =

Answer 9

100

Question 10

What is the minimum condition needed to prevent a continuously breeding population from going extinct?

Answer 10

r > 0