Biogeochemical Cycles

A substance that provides nourishment essential for growth and the maintenance of life

A process that removes nitrogen from the atmosphere

The cycle of water through the environment

A type of energy

nitrogen fixation

denitrification

biogeochemical cycle

photosynthesis

The process by which bacteria convert nitrates into nitrogen gas

The absorption of nutrients by plants

The fixation of nitrogen by bacteria

The movement of water through soil

They cycle matter and nutrients through the biosphere.

They create new species.

They stop the flow of energy.

They prevent organisms from surviving.

Only living organisms

Only physical processes

Both living organisms and physical processes

Only chemical reactions

It provides energy for photosynthesis.

It converts nitrogen into a usable form for plant growth.

It helps plants absorb water.

It protects plants from diseases.

Nitrification

Nitrogen fixation

Denitrification

Decomposition

As nitrates through water

As phosphates through sediments, plants, and consumers

As carbon dioxide through the air

As oxygen through respiration

It cycles through the atmosphere as a gas.

It is only found in living organisms.

It does not cycle as part of the atmosphere.

It is not essential for growth.

They release phosphate from plant and animal wastes back into the soil.

They absorb phosphate from the air.

They convert phosphate into nitrogen.

They prevent phosphate from entering water bodies.