Envi. Unit 2 Test Review

Front

Most freshwater is stored (use the chart)

Back

in glaciers and ice caps

Front

Role of plants in the water cycle?

Back

Plants release H₂O vapor into the atmosphere during transpiration.

Front

How do forests reduce atmospheric CO₂ levels?

Back

Trees use CO₂ during photosynthesis to form organic compounds

Front

What do biogeochemical cycles represent?

Back

How matter moves through the environment and are continually used and recycled

Front

As time goes by, the water goes through the water cycle again and again. The total amount of water on Earth-

Back

stays the same.

Front

In an ecosystem, bacteria that inhabit the roots of certain plants and soil play an essential role in cycling-

Back

nitrogen.

Front

Carbon is used to make sugars (chemical energy) in which step of the carbon cycle?

Back

photosynthesis

Front

What is the process by which carbon is released into the atmosphere from cars, homes, and factories?

Back

combustion

Front

Which is NOT a way that carbon cycles through the biosphere?

Back

transpiration

Front

Movement of carbon from the geosphere to the atmosphere can be accomplished by

Back

burning fossil fuels