Biogeochemical Cycles and Ecological Principles

Front

The fundamental principle regarding matter on Earth, as explained in the context of biogeochemical cycles.

Back

Matter is conserved and cycles through the biotic (living) and abiotic (non-living) components of the Earth.

Front

Biogeochemical cycles describe the movement of nutrients between the biotic, or living world, and the _____ world.

Back

Abiotic (non-living) world.

Front

The mnemonic used to remember the six most important nutrients for life.

Back

CHNOPS: Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulfur.

Front

The living world is referred to as the _____, while the non-living world is composed of the atmosphere, lithosphere, and hydrosphere.

Back

Biosphere.

Front

In the water cycle, the process of water moving from a liquid to a gas from oceans, lakes, and streams is called.

Back

Evaporation.

Front

The term for the combined process of evaporation and transpiration from the leaves of plants.

Back

Evapotranspiration.

Front

How plants primarily acquire carbon from the environment.

Back

Through photosynthesis, by absorbing carbon dioxide from the atmosphere.

Front

The process by which animals and plants release carbon dioxide back into the atmosphere.

Back

Respiration.

Front

The primary form of nitrogen in the atmosphere.

Back

Nitrogen gas (N₂).

Front

The crucial process, often performed by bacteria on plant roots, that converts atmospheric nitrogen into a usable form for plants.

Back

Nitrogen fixation.