| Term | Definition |
| Community | A group of populations living in one place. |
| Endangered | A species that might disappear because there are so few left. |
| Prey | An animal that is hunted and killed for its food. |
| Birth Rate | The number of organisms born in a period of time. |
| Omnivore | A consumer that eats producers and other consumers. |
| Producers | The ________ are always the first part of the food chain. |
| Carnivore | A consumer that eats only other consumers. |
| Population | A group of organisms of one species living in one place. |
| Dies | When an animal _______, its remains decompose and make the soil better. |
| Food Chains | ______ are made up of producers, consumers and decomposers. |
| Decomposers | An important part of the food chain that returns material to the chain. |
| Pollution | Adding harmful substances to a community. |
| Ecosystem | Rocks, soil, air, animals and plants in an area make up an ________. |
| Habitat | An organisms food, water, shelter and space. |
| Sun | All energy for the food web comes from where? |
| Predator | An animal that stalks another animal for food. |
| Ecology | The study of how living and nonliving things affect each other. |
| Bacteria | Fungus and _______ are examples of decomposers. |
| Herbivores | Organisms that eat only plants. |
| Extinct | A species that has died out. |