| A | B |
| producer | produces its own energy for survival |
| primary comsumer | eats producers for energy |
| secondary consumer | eats consumers for energy |
| ecosystem | community in which prganisms live |
| water cycle | a continuous cycle |
| weather | climate or temperature |
| food chain | a cycle of organisms that eat each other |
| decomposer | breaks down orgaqnisms |
| habitat | environment in which organisms live |
| carnivore | meat eater |
| herbivore | plant eater |
| omnivore | eats both plants and animals |
| food web | a web of many animals that interconnect with each other |
| symbions | organisms that live together for mutual benefit |