| A | B |
| ecosystem | all the living and nonliving things in an environment and the ways they interact |
| population | all the members of one species that live within an area of an ecosystem |
| community | the different populations that interact with each other in the same area |
| niche | the job or role of an organism |
| herbivores | consumers that eat only plants |
| carnviores | consumers that eat only meat |
| omnivores | consumers that eat both plants and animals |
| decomposers | recycle waste and remains of dead plants and animals |
| Sunlight | what plants use to make their food |
| All living things depend on plants for | energy |
| The food chain starts with the | sun |
| 3 types of consumers | herbivore, omnivore, carnivore |