Ecosystems Lesson 3: Cycles of Matter Flashcard

Front

What are the 3 components of the water cycle?

Back

Evaporation, Condensation, Precipitation

Front

What organism releases oxygen?

Back

Producers

Front

Why are knowing these cycles important to an ecosystem?

Back

To recognize the role of water, carbon, oxygen, and nitrogen in the ecosystem

Front

What is the process of changing free nitrogen into a usable form of nitrogen called?

Back

Nitrogen Fixation

Front

Most organisms cannot use nitrogen gas. True or False?

Back

True

Front

What is evaporation in the water cycle?

Back

The process where water changes from liquid to gas.

Front

What is condensation in the water cycle?

Back

The process where water vapor cools and changes back to liquid.

Front

What is precipitation in the water cycle?

Back

Any form of water that falls from clouds to the Earth's surface.

Front

What role do producers play in an ecosystem?

Back

They create oxygen and organic materials through photosynthesis.

Front

What is the nitrogen cycle?

Back

The process by which nitrogen is converted between its various chemical forms.