| A | B |
|---|
| energy | needed for photosynthesis |
| photosynthesis | process of a plant making sugar and oxygen |
| producer | living thing that makes its own food |
| chemosynthesis | living things that make food from chemicals |
| decomposers | recycle dead organisms |
| omnivores | eat plants and animals |
| carnivores | eat only meat |
| herbivores | eat only plants |
| food chain | simple model for feeding relationships |
| food web | model showing ALL the food relationships in a community |
| symbiosis | close relationship between species |
| mutualism | a relationship where both species benefit |
| commenalism | a relationship where one benefits and the other is not affected |
| parasitism | a relationship where one benefits and the other is harmed |
| niche | a living things role in the environment |
| predator | organism that eats other consumers |
| prey | animal that is being eaten by another animal |
| abiotic factors | nonliving features (air,water, soil) |
| biotic factors | living features (plants, animals) |
