Biogeochemical Cycles Flashcard

Front

What is transpiration?

Back

The process of water that is added to the atmosphere from plants.

Front

How does carbon from grass become part of a lion?

Back

The lion eats the grass.

Front

How do plants obtain nitrogen?

Back

From the soil or water in which they live.

Front

What is the carbon cycle?

Back

A chemical cycle where carbon dioxide is released by burning fossil fuels and absorbed by trees for photosynthesis.

Front

What percentage of the atmosphere is composed of nitrogen gas?

Back

78%.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.

Front

What role do decomposers play in biogeochemical cycles?

Back

They break down dead organic matter, returning nutrients to the soil.

Front

What is photosynthesis?

Back

The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

What is the significance of the nitrogen cycle?

Back

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

Front

What is evaporation?

Back

The process by which water changes from a liquid to a gas or vapor.