| A | B |
|---|
| Food Chain | series of events in which one organism eats another to obtain energy |
| Food Web | many overlapping food chains |
| Producer | an organism that can make its own food |
| Consumer | an organism that obtains energy by feeding on other organisms |
| Primary Consumer | First level consumer-eats producer |
| Tertiary Consumer | organism that is on top of a food chain |
| Carnivore | consumer that eats only animals |
| Herbivore | A consumer that eats only plants |
| Omnivore | consumer that eats both plants and animals |
| Photosynthesis | organism uses sun's energy for food and releases oxygen into air |
