Which of the following is NOT a negative impact from clearing away plants from a large plot of land?

When topsoil is carried away, plant growth suffers for wildlife and farming. What carries away topsoil?

Which of the following is the greatest threat to biological diversity today?

Pollution threatens the success of organisms by increasing the _____.

Deforestation results in an increase of greenhouse gases because less trees means less _____.

The preservation and careful management of the environment and natural resources

When plants stop metabolism and growth for a period of time

When plants grow or bend towards sunlight

In order for an animal to survive while in hibernation, its body’s metabolic rate _____.

Which would NOT influence population size?

_____ prevent populations from increasing in size.

Beavers do not migrate and can adapt to changing climates. Which of the following would threaten the survival of beavers?

A pond that suddenly has an increased growth in algae probably was polluted by

Gases that trap heat in the Earth's atmosphere

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