| A | B |
|---|
| scavenger | An animal that feeds on the bodies of dead animals. |
| decomposer | An organism that helps to break down and decay dead organisms and wastes of living organisms. |
| energy pyramid | A diagram that compares the amount of energy available at each position, or level, in the feeding order. |
| food web | A combination of all the food chains in a community. |
| ecology | The study of the relationship among living and non-living parts of an area. |
| habitat | The place where species live. |
| niche | The role of a species in an ecosystem. |
| population | All the members of one species that live in the same area. |
| community | All the populations living together in one area. |
| photosynthesis | The process by which plants use sunlight to make sugar from water and carbon dioxide. |
| producer | An organism that uses sunlight to make sugar from water and carbon dioxide. |
| consumer | An organism that consumes other organisms for food. |
| carnivore | An organism that eats only other consumers. |
| ecosystem | All the living and non-living parts in an area. |
| herbivore | An organism that eats only plants. |
| omnivore | An organism the eats plants and animals. |
