| A | B |
|---|
| ecology | the study of the interrealtions between living things and their surroundings |
| biotic | living (or once alive) |
| abiotic | non-livng |
| individual | one member of a group |
| population | a group of the same kind of organisms |
| community | all the populations interacting in one area |
| ecosystem | a community and its surrounding abiotic factors |
| limiting factors | situations which can affect the size of a population |
| census | counting every single individual in a population |
| sampling technique | a way of estimating a large population by sampling a smaller area |
| mark recapture | a way to estimate the size of a populastion of animals which move around |
| biosphere | the part of the earth where life exists |
| carrying capacity | the largest populatioon an ecosystem can support |
| prey | an organism eaten by another organism |
| decomposer | bacteria that breakdown dead organisms |
| predator | an organism that eats another organism |
| habitat | the environment of an organism |
| organism | a living thing |
| niche | an organism's job in it's community |
| photosynthesis | process in green plants that changes sunlight energy into food energy |
| herbivore | an animal that eats plants |
| carnivore | an animal that gets energy fromeating other animals |
| food web | interlocking food chains |
| omnivore | an animal that eats both plants and animals |
| scavenger | animals that feed on the bodies of dead animals |
