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15 Cards in this Set

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biomass
Organic matter, such as wood, that is living or was recently alive
biome
A large-scale ecosystem
carbon dioxide-oxygen cycle
The process by which carbon and oxygen cycle among plants, animals, and the environment
chlorophyll
A pigment, or coloring matter, that helps plants use light energy to produce sugars
climate
The average of all weather conditions through all seasons over a period of time
community
All the populations of organisms living together in an environment
condensation
The process by which a gas changes back into a liquid
consumer
An organism in a community that must eat to get the energy it needs
continental drift
A theory of how Earth's continents move over its surface
core
The center of the Earth
current
A stream of water that flows like a river through the ocean
decomposer
Consumers that break down the tissues of dead organisms
desalination
The process of removing salt from sea water
ecosystem
A community and its physical environment together
electric current
The flow of electrons from negatively charged objects to positively charged objec