Nutrient Cycles of Matter

Front

Matter on Earth is limited, so it must be used ____________________________.

Back

over and over again

Front

What role do animals play in the carbon cycle?

Back

give off carbon dioxide

Front

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

Back

releases carbon dioxide into the atmosphere into the air

Front

Identify the cycle pictured: The Water cycle, The Carbon cycle, The Nitrogen cycle, The Phosphorus cycle.

Back

The Carbon cycle

Front

What is one of the most important processes that removes carbon from the atmosphere?

Back

photosynthesis

Front

Define the carbon cycle.

Back

The carbon cycle is the process by which carbon is exchanged among the atmosphere, land, water, and living organisms.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Front

What is the role of decomposers in nutrient cycles?

Back

Decomposers break down dead organic matter, returning nutrients to the soil and making them available for plants.

Front

What is the nitrogen cycle?

Back

The nitrogen cycle is the process by which nitrogen is converted between its various chemical forms, including fixation, nitrification, and denitrification.