Unit 3: Earth's Interactive System Review

Front

What are animals that are at risk of being extinct called?

Back

Endangered

Front

What is an example of a natural event that can change ecosystems?

Back

A volcano erupting.

Front

True or False: Maps help scientists gather information about how systems interact.

Back

True

Front

Which of the following is not a source of freshwater: A. rivers, B. oceans, C. aquifers, D. reservoirs?

Back

B. oceans

Front

What is Earth's outer core made of?

Back

Liquid metal

Front

What is an ecosystem?

Back

A community of living organisms and their environment interacting as a system.

Front

What is deforestation?

Back

The clearing or thinning of forests by humans.

Front

What is a consumer in an ecosystem?

Back

An organism that eats other organisms for energy.

Front

What is a habitat?

Back

The natural environment where an organism lives.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.