| A | B |
| carnivore | meat eater |
| herbivore | plant eater |
| omnivore | meat and plant eater |
| interact | to act together |
| organism | a living thing |
| ecosystem | an environment of living and nonliving things |
| species | a group of very similar organisms |
| offspring | babies |
| habitats | surroundings or environment of organisms |
| shelter | protected place to live |
| requirements | needs |
| tropical | having a hot and wet climate |
| ponds | small lakes |
| population | members of one species in the same area |
| communities | all the populations that live together in one place |
| soil | dirt, earth |
| oxygen | gas in the air that animals breathe in |
| breathe | take in air through the nose and mouth |
| energy | power that produces heat |
| process | steps needed for something to happen |
| classified | put into groups |
| nutrients | substances that help plants or animals grow |
| producers | use sun to make their own food |
| consumers | eat other organisms for food |
| decomposers | break down dead plants and animals for food |
| food chain | the movement of food through a community |