Q2 Cause/Effect Test Review

Front

What gas is produced by animals and used by plants?

Back

Carbon dioxide (CO2)

Front

What takes more time, primary succession or secondary succession?

Back

Primary succession takes more time than secondary succession.

Front

What is the term for the pattern of change after an existing ecosystem is destroyed, such as clearing for farming?

Back

Secondary Succession

Front

True or False: Human activities such as nitrogen fertilizer can upset the balance of the nitrogen cycle.

Back

True

Front

During what process does water enter the atmosphere by evaporating from the leaves of plants?

Back

Transpiration

Front

What is primary succession?

Back

The process of ecological change that occurs in an area where no soil exists, such as after a volcanic eruption.

Front

What is secondary succession?

Back

The process of ecological change that occurs in an area where a disturbance has destroyed an existing ecosystem but left the soil intact.

Front

What role do plants play in the carbon dioxide and oxygen cycle?

Back

Plants take in carbon dioxide during photosynthesis and release oxygen.

Front

What is the nitrogen cycle?

Back

The process by which nitrogen is converted between its various chemical forms, including fixation, nitrification, and denitrification.

Front

What is the effect of nitrogen fertilizers on ecosystems?

Back

They can lead to nutrient pollution, causing algal blooms and disrupting aquatic ecosystems.