| A | B |
| green plants, which make their own food | producers |
| animals, which cannot make their own food | consumers |
| animals that eat only plants | herbivores |
| an environment that meets the needs of an organism | habitat |
| movement of food energy in a series of organisms | food chain |
| all the living and nonliving things that surround you | environment |
| consumers that eat prey | predators |
| animals that eat only meat | carnivores |
| producers | from where a first-level consumer gets most of its energy |
| an example of an abiotic factor | rainfall |
| green plants get most of their energy to make food from | sunlight |
| the term for the role that each living thing has in its habitat | niche |
| an example of a carnivore | lion |
| an example of a population | all the black beetles in a rotting log |