Carbon and Nitrogen Cycles

Front

Role of nitrogen-fixing bacteria in the nitrogen cycle.

Back

molecular nitrogen gas into ammonia into nitrites and nitrates

Front

Which of the following removes carbon from the atmosphere? Combustion, Respiration, Photosynthesis, Death

Back

Photosynthesis

Front

A gas produced by animals during respiration that plants use for photosynthesis.

Back

Carbon Dioxide

Front

What do legumes have on their roots?

Back

nodules full of nitrogen fixing bacteria

Front

What process converts nitrogen gas into a biologically useful (fixed) form?

Back

Nitrogen fixation

Front

Which organisms play the largest role in converting nitrogen into various usable forms and back to a gas form?

Back

bacteria

Front

The process of breathing in oxygen and releasing carbon dioxide into the air (or water) is...

Back

Respiration

Front

Which of the following does NOT release carbon dioxide into the atmosphere? Options: volcanic activity, respiration, photosynthesis, fossil fuel combustion

Back

photosynthesis

Front

Plants and animals need nitrogen to make __________.

Back

Protein

Front

Which cycle is this? Carbon, Nitrogen, Phosphorus, Water

Back

Carbon