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What is a cycle?
A pattern that repeats over and over
What gas do animals breathe in?
Oxygen
What gas do plants take in?
Carbon Dioxide
What process do plants use to make food?
Photosynthesis
Where is Nitrogen found?
In the air and the soil
How do animals get Nitrogen?
By eating plants or other animals
What do decomposers do in the Nitrogen cycle?
They return nitrogen to the soil
Name two examples of decomposers.
Fungi and bacteria
True or False: Plants need Oxygen.
True (to break down food)
What do arrows show in a cycle diagram?
The direction that matter moves
Is "Day and Night" a cycle?
Yes
What is an example of animal waste in a cycle?
Carbon Dioxide or Nitrogen
