Front

How does carbon dioxide leave the atmosphere?

Back

Through photosynthesis

Front

Respiration is the process by which ____________ is consumed and _______________ is produced.

Back

Oxygen is consumed and Carbon dioxide is produced.

Front

Organisms use nitrogen to form

Back

proteins and nucleic acids

Front

What converts atmospheric nitrogen into a usable form for plants and animals? Options: Bacteria, Photosynthesis, Decomposition of organisms, Fungi

Back

Bacteria

Front

What is this a picture of? Options: Nitrogen cycle, carbon cycle, water cycle, plant cycle

Back

Nitrogen cycle

Front

What does not produce carbon dioxide? Options: Photosynthesis, Burning Fossil Fuels, Animal respiration, Plants decaying

Back

Photosynthesis

Front

Identify the cycle pictured: The Water cycle, The Carbon cycle, The Nitrogen cycle, This is not a correct diagram of any cycle.

Back

The Carbon cycle

Front

What cycle is demonstrated in the diagram? Options: The Carbon cycle, The Water cycle, The Nitrogen cycle, The Life cycle

Back

The Carbon cycle

Front

What is the process of water droplets or ice crystals falling from the sky?

Back

precipitating

Front

What are all living things made of?

Back

Carbon