Biogeochemical Cycles

Front

What is a biogeochemical cycle?

Back

A biogeochemical cycle is the movement of elements and compounds through living organisms and the environment, involving biological, geological, and chemical processes.

Front

Why do living things need nitrogen?

Back

To make proteins and amino acids.

Front

How does phosphorus move from water to soil?

Back

Through weathering.

Front

How does carbon from grass become part of a lion?

Back

The carbon ends up in the lion's food chain.

Front

How do animals get nitrogen?

Back

By eating other organisms.

Front

What is a reservoir in the context of biogeochemical cycles?

Back

A reservoir is a place where a substance is held or accumulated.

Front

What role do decomposers play in biogeochemical cycles?

Back

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

Front

What is the significance of the nitrogen cycle?

Back

The nitrogen cycle is essential for converting nitrogen in the atmosphere into forms usable by living organisms.

Front

What is assimilation in the context of biogeochemical cycles?

Back

Assimilation is the process by which living organisms incorporate nutrients from the environment into their bodies.

Front

What is the role of photosynthesis in the carbon cycle?

Back

Photosynthesis allows plants to absorb carbon dioxide from the atmosphere and convert it into organic matter.