| A | B |
|---|
| species | organisms that are able to interbreed |
| population | a group of the same type of organisms in an area |
| community | all of the groups of living things in an area |
| decomposers | organisms that obtain energy from dead organisms |
| sun | source of most energy |
| herbivore | organism that eats plants |
| carnivore | organism that eats animals |
| omnivore | organism that eats both plants and animals |
| producer | makes its own food |
| producer | green plants |
| consumer | cannot make its own food |
| food chain | shows energy flow |
| food web | shows all feeding relationships in an area |
| food pyramid | shows total energy at each feeding level |
| ecosystem | all the living and nonliving factors in an area |
| environment | all the living and nonliving factors that affect an organism |
| carbohydrates | quick energy |
| fats | stored energy |
| proteins | to build tissue |
| metabolism | all the chemical reactions in an organism |
