| A | B |
|---|
| biodiversity | variety of organisms |
| omnivore | eats plants and animals |
| commensalism | symbiotic relationship-one member benefits; the other unharmed |
| abiotic factors | water, soil |
| climax community | last stage of succession; stable community |
| carrying capacity | number of organisms an environment can support |
| niche | organism's role in an environment |
| mutualsim | symbiotic relationship-both members benefit |
| food web | numerous food chains |
| autotroph | producer |
| population | same species in an environment |
| succession | order in which on community is replaced by another |
| pioneer organism | first living things to invade and establish themselves |
