Day 7 Warm-Up

Front

Carbon Cycle

Back

The process by which carbon enters plants through CO2, is carried through food webs, and returns to the atmosphere as CO2 through aerobic respiration.

Front

Biogeochemical Cycle

Back

The movement of matter through the biological and geological, or living and nonliving, parts of an ecosystem.

Front

Nitrogen

Back

This gas makes up 78% of Earth's atmosphere and must be broken down for living things to use it.

Front

Greenhouse Effect

Back

The natural warming of the lower atmosphere by greenhouse gases.

Front

Fossil Fuels

Back

Combustible deposits in Earth's crust, composed of the remnants of prehistoric organisms.

Front

Photosynthesis

Back

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

Front

Respiration

Back

The process by which living organisms convert glucose and oxygen into energy, producing CO2 and water as byproducts.

Front

Ecosystem

Back

A community of living organisms and their interactions with their environment.

Front

Decomposition

Back

The process by which organic substances are broken down into simpler organic or inorganic matter.

Front

Nutrient Cycle

Back

The cycle through which nutrients are transferred between the biotic and abiotic components of the ecosystem.