Post Assessment Review

Front

What is the best evidence that a bird is nocturnal?

Back

The size of its eyes is typically larger in nocturnal birds, allowing them to see better in low light.

Front

What happens to the golden-cheeked warbler population as the juniper tree population increases?

Back

The golden-cheeked warbler population increases as the juniper tree population increases.

Front

Why is human impact on the environment often more dramatic than that of other living things?

Back

Humans have a greater ability to alter the environment.

Front

Which atmospheric layer do humans live in?

Back

Troposphere.

Front

What helped start the repair process for the ozone layer?

Back

The ban of chlorofluorocarbons (CFCs) helped start the repair process.

Front

Define 'nocturnal'.

Back

Active during the night and sleeping during the day.

Front

What is the role of the troposphere?

Back

It is the lowest layer of Earth's atmosphere where weather occurs and where we live.

Front

What are chlorofluorocarbons (CFCs)?

Back

CFCs are man-made compounds that were used in refrigeration and aerosol propellants, harmful to the ozone layer.

Front

Explain the relationship between juniper trees and golden-cheeked warblers.

Back

As juniper trees provide habitat and food, an increase in their population supports an increase in the warbler population.

Front

What is the significance of the ozone layer?

Back

The ozone layer protects Earth from harmful ultraviolet (UV) radiation from the sun.