Carbon and Nitrogen Cycle

Front

Which of the following add carbon dioxide to the atmosphere? Options: volcanoes, combustion of fossil fuels, animal and plant respiration, all of these

Back

all of these

Front

How is nitrogen "fixed" into a usable form for plants?

Back

Through action of bacteria & lightning

Front

Why do all organisms need nitrogen?

Back

To live and grow 

Front

Nitrogen fixing bacteria live in nodules on the root of which plant? Options: Broccoli, Legumes, Beets, Carrots

Back

Legumes

Front

Where does Photosynthesis get the carbon dioxide it needs?

Back

from cellular respiration

Front

Which gas dissolves in the ocean and is used in Photosynthesis for aquatic plants?

Back

carbon dioxide

Front

Where does nitrogen go once it is in the soil?

Back

roots of plants

Front

What lives in the roots of plants that fix the nitrogen so that plants can use the nitrogen?

Back

bacteria

Front

How do animals get nitrogen?

Back

eating plants

Front

Algal blooms usually occur when nitrogen increases in the

Back

water.