Nutrient Cycles

Front

Identify the cycle pictured.

Back

The Carbon cycle

Front

How does carbon dioxide leave the atmosphere and become part of the food chain? Options: Through transpiration, Through photosynthesis, Through factory emission, Sunlight

Back

Through photosynthesis

Front

How do animals get the carbon they need? Options: decomposing, combustion, eating plants, breathing it in

Back

eating plants

Front

What role do animals play in the carbon cycle? Options: absorb carbon dioxide from the atmosphere, give off carbon dioxide through respiration, combustion, decomposing matter

Back

give off carbon dioxide through respiration

Front

What is one way that carbon dioxide can be put back into the atmosphere? Options: Sunlight, Burning of Fossil Fuels, Ocean uptake, Rain

Back

Burning of Fossil Fuels

Front

What role do decomposers play in the carbon cycle? Options: absorb carbon dioxide, release carbon dioxide into atmosphere, return carbon into the soil, combustion

Back

return carbon into the soil

Front

In the carbon cycle, what is the role of volcanic activity?

Back

releases carbon dioxide into the atmosphere

Front

When carbon combines with 2 oxygen atoms, what forms?

Back

Carbon dioxide

Front

How have humans contributed to the amount of carbon dioxide in the air? Options: driving cars, burning coal, factories, all of these

Back

all of these

Front

Identify the cycle pictured.

Back

The Nitrogen cycle