Nitrogen Cycle Study Jams

What is the nitrogen cycle?

• The process of chemically producing nitrogen to be used by plants and animals

• the process of continually recycling nitrogen from living things to non-living things between Earth and its atmosphere.

• The process green plants use to make food

• The process of recycling carbon from living things to non-living things between Earth and its atmosphere.

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How do humans get nitrogen?

• By breathing it in

• by drinking water

• by eating plants

• by producing it naturally in their digestive system

Which of the following comes first in the process of nitrification?

• Plants use nitrates to create protein

• Bacteria in the plant turn the nitrogen gas into ammonia

• Bacteria turn the nitrites into nitrates

• Nitrogen gas travels from the air to the soil

How do nitrates turn back into nitrogen gas?

• Animals release nitrogen gas when they breathes out during respiration

• Plants give off nitrogen gas after they have used all the nitrates that they needed.

• Plants and animal die, and decomposers release nitrogen bas back into the air

• Bacteria turns the nitrates back into nitrogen gas, which gets released through the roots of the plants and back into the air.

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Which of the following is one of the key components of the nitrogen cycle?

• carnivores

• rain

• the Sun

• bacteria

What do plants and animals use nitrates for?

• to produce sugars they need for energy

• to create the protein they need to live and grow

• to aid in photosynthesis and respiration

• to assist in digestion

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How are people upsetting the nitrogen cycle?

• by building up too much nitrogen in the air

• by creating too much bacteria in the soil

• by riding their bikes

• by breathing in too much nitrogen

Tags

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