Carbon Cycle

Front

The movement of carbon between living thing and the environment

Back

The carbon cycle

Front

How does the human body return carbon to the atmosphere in the carbon cycle?

Back

Respiration

Front

In the carbon cycle, animals can release carbon back into the cycle through __________ or through __________.

Back

respiration . . . decomposition

Front

Which of the following is an example of human impact on the carbon cycle?
The burning of fossil fuels,
The cutting down of trees for lumber,
Driving automobiles,
All of the above

Back

All of the above

Front

If a forest fire occurs, what will happen to the carbon in the forest?

Back

It will go into the atmosphere

Front

Where does all the carbon in organisms (living things) originate from? Options: Earth's atmosphere, Rocks, Water, Soil

Back

Earth's atmosphere

Front

By what method is the majority of carbon moved from the lithosphere (upper part of Earth's crust) to the atmosphere?

Back

The burning of fossil fuels

Front

What kind of organism takes out the most carbon from the atmosphere?

Back

Plants

Front

The air we breathe is mostly

Back

Nitrogen

Front

Nitrogen fixing bacteria is found mostly in..

Back

the soil