Nutrient Cycles

Match it! Select the correct answer from the pull down...Good luck!

We know the carbon cycle involves moving carbon around the earth in a cycle. Plants and trees join in the carbon cycle in a couple of ways. Which one will clean carbon out of the air?

The oxygen found in the water molecule (H20) is the oxygen that fish can use to breathe.

What step in the rock cycle would be required to change an igneous rock into a sedimentary rock?

The carbon cycle relies on the use of....

How are metamorphic rocks formed?

What is the role of bacteria in the nitrogen cycle?

In the nitrogen cycle, nitrogen is continuously recycled. Which types of organisms break down nitrogen compounds in dead organisms and recycle them into the soil?

In the oxygen cycle, which group of organisms replenishes a large portion of the atmospheric oxygen supply?