The Carbon Cycle

Where does decomposition in aquatic environments occur?

In what form does carbon exist in the atmosphere?

When organisms die, which members of the food chain break them down and return carbon to the soil?

What process removes carbon from the atmosphere?

What necessary life process done by plants and animals releases carbon into the atmosphere?

How are fossil fuels formed?

What is the name for the process of burning fossil fuels that releases carbon into the atmosphere?

Carbon cycles through each environmental sphere. Give one example of a sphere in which carbon is found and explain how it enters that sphere.

True or False: Soil bacteria only decompose dead organic material from animals.

True or False: Carbon is only released from living organisms on land.