Chapter 15.2 Summary

Question 1

The ________ ________ of the environment is the maximum population that can be supported indefinitely given current conditions. This limits leads to logistic growth, which appears as an S-shaped curve on a graph

Answer 1

carrying capacity

Question 2

______ ______ factors depend on the size of the population, whereas density-independent factors affect birth or death rates regardless of population size.

Answer 2

Density dependent

Question 3

Density-dependent factors include
1.
2.

Answer 3

starvation

disease

Question 4

Density-independent factors include

1.

Answer 4

weather

Question 5

The growth rate of the human population is declining, because women are choosing to have fewer children.

Answer 5

True

Question 6

The energy received from the sun each year could potentially support a population off 21 billion people.

Answer 6

True

Question 7

Humans’ reliance on nonrenewable resources may inflate the actual carrying capacity of earth

Answer 7

True