| A | B |
|---|
| abiotic | nonliving factor in an exosystem |
| autotroph | an organism that can make its own food by using energy from sunlight |
| biological magnification | increasing concentration of harmful chemicals in organisms through a food chain |
| biomass | total amount of living mass within a trophic level |
| biome | a large area that has the same climate and communities |
| biosphere | the region of the earth that supports life |
| biotic factor | living factor |
| carnivore | organism that obtains energy from eating other consumers |
