| A | B |
|---|
| ecology | the focus of relationships of organisims to each other and their surroundings. |
| ecosystem | the interaction between populations or organisms living in the same area and their environment |
| biotic factors | are all living organisms in the ecosystem. |
| abiotic factor | all non-living parts of the ecosystem. |
| population | the individuals of a single species occupying a specified common area. |
| food chain | a series of transfers from one organism to the other |
| food web | interrelated food chains |
| producer | plant/provides the food |
| consumer | first, second or tertiary |
| decomposer | organisms which break down dead plant and animals. |
| herbivores | eat plant only. |
| carnivores | eat meat only. |
| omnivores | eat plant and meat. |
| scavengers | animals feed on dead organisms. |
| prey | organisms eaten by predators. |
| predators | organisms which kills and eat organisms. |
