| A | B |
|---|
| abiotic | The nonliving, physical features of the environment, including air, water, sunlight, soil, temp. & climate |
| biotic | The features of the environment that are alive or were once alive. |
| biosphere | Part of Earth that supports life, including the top portion of the crust, atmosphere, & all surface water |
| biomes | Large geographic areas with similar climates and ecosystems |
| ecosystem | All the living organisms that live in an area & the nonliving features of the environment. |
| greenhouse effect | A condition where radiation enters the atmosphere and can't escape causing a warming effect. |
| food web | A model that shows the complex feeding relationship among organisms in a community. |
| species | A group of organisms that reproduces only with other members of their own group. |
| population | All the organisms that belong to the same species living in a community. |
| succession | Natural, gradual changes in the types of species that live in an area. |
