| A | B |
|---|
| population | a group of bald eagles |
| habitat | an organisms home |
| niche | an organisms role; way of life |
| autotroph | makes food by photosynthesis |
| community | several populations interacting |
| heterotroph | must eat others for food |
| ecosystem | coastal planes of NC |
| primary consumers | first organisms to eat in a food chain |
| herbivore | eats plants and grasses |
| carnivores | eat meat, like insects |
| omnivores | eat both plants & meat; humans |
| scavengers | eat dead organisms |
| decomposers | break down dead matter |
| trophic level | a level in an energy pyramid |
| biotic | dead deer, plants |
| abiotic | wind, air |
| exponential growth | no limiting factors; massive growth |
| Carbon cycle | cycles as carbon dioxide |
| mutualism | both organisms benefit |
| limiting factor | keeps a population from growing |
| parasitism | one benefits; one gets harmed |
| predator | the hunter |
| prey | they hunted |
| competition | 2 organisms fight for same food |
| Innate behavior | born knowing how to do |
| Taxes | an organ responds to the need |
| Taxis | moves towards or away from food |
| Estivation | deep sleep in hot, dry weather |
| Pheormones | chemicals in the air by insects |
| Bioaccumulation | more toxins collect in food chain |
| Biodiversity | measure of variety of life in area |
