TEST - Carbon Cycle

Front

What is the carbon cycle?

Back

The carbon cycle is the process by which carbon is exchanged between the atmosphere, land, water, and living organisms. It involves various processes such as photosynthesis, respiration, decomposition, and combustion.

Front

What process do plants use to take in carbon dioxide?

Back

Photosynthesis is the process by which plants take in carbon dioxide from the atmosphere and convert it into glucose and oxygen using sunlight.

Front

What is respiration in the context of the carbon cycle?

Back

Respiration is the process by which living organisms, including animals and plants, convert glucose and oxygen into energy, releasing carbon dioxide back into the atmosphere.

Front

How do humans depend on the carbon cycle?

Back

Humans depend on the carbon cycle for oxygen, which is produced by plants during photosynthesis, and for food, which is derived from plants and animals that are part of the cycle.

Front

What role do decomposers play in the carbon cycle?

Back

Decomposers break down dead organic matter, returning carbon to the soil and atmosphere, thus playing a crucial role in recycling nutrients.

Front

What is the significance of combustion in the carbon cycle?

Back

Combustion is the process of burning fossil fuels and biomass, which releases carbon dioxide into the atmosphere, contributing to the greenhouse effect.

Front

What is the atmosphere in relation to carbon?

Back

The atmosphere is the layer of gases surrounding the Earth, where carbon exists primarily as carbon dioxide, a key component of the carbon cycle.

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, taking in carbon dioxide and releasing oxygen.

Front

What is the difference between respiration and photosynthesis?

Back

Respiration is the process of breaking down glucose to release energy, while photosynthesis is the process of converting carbon dioxide and water into glucose and oxygen using sunlight.

Front

What is the role of the oceans in the carbon cycle?

Back

The oceans absorb a significant amount of carbon dioxide from the atmosphere, acting as a carbon sink and playing a vital role in regulating global carbon levels.