Chapter 49

Describe what is meant by the term "ecological footprint.

Name three sources of atmospheric } \mathrm{CO}_{2}

Provide evidence that indicates that human activities are responsible for increases in atmospheric \(\mathrm{CO}_{2}\) over the last century.

Describe several possible solutions to the problem of ncreased atmospheric \(\mathrm{CO}_{2}\).

Describe the causes and consequences of eutrophication.

Describe several possible solutions to the problem of feeding a growing human population.

Give three examples of species that have benefited and three examples of species that have been harmed by human activity.

Explain why amphibians are sometimes called "canaries in a coal mine."

Explain why amphibians are sometimes called "canaries in a coal mine."

How do reserves and corridors help to conserve biodiversity?

What is the Red Queen hypothesis, and how does it pertain to 21st-century plants and animals?