Lecture 25 - Ecosystems and Biomes Part 1

What is the carbon cycle?

The carbon cycle is the process by which carbon is exchanged among the biosphere, geosphere, hydrosphere, and atmosphere.

Nitrogen cycling

The process by which nitrogen moves through ecosystems, involving the conversion of nitrogen gas into usable forms for organisms and its return to the atmosphere.

What is phosphorous cycling?

Phosphorous cycling is the process by which phosphorous moves through the environment, from soil and water into living organisms and back, essential for life.

What is the water cycle?

The water cycle is the continuous process of water movement through evaporation, condensation, precipitation, and runoff in the environment.