Unit 2 Review

Front

Energy transfer

Back

The movement of energy from one place or object to another.

Front

Flow of energy

Back

The transfer of energy through a system, often seen in ecosystems.

Front

Socio-ecological systems

Back

Integrated systems that include both social and ecological components.

Front

Climate change

Back

Long-term alteration of temperature and typical weather patterns in a place.

Front

Global warming

Back

The increase in Earth's average surface temperature due to rising levels of greenhouse gases.

Front

Greenhouse gases

Back

Gases that trap heat in the atmosphere, contributing to global warming.

Front

Biomass

Back

Organic material that comes from plants and animals, and it is a renewable source of energy.

Front

Biofuel

Back

Fuel derived from organic matter (biomass), such as plant materials and animal waste.

Front

Photosynthesis

Back

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

Front

Cellular respiration

Back

The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.