| A | B |
|---|
| carnivore | an animal that eats flesh (meat) |
| herbivore | an animal that eats plants |
| parasite | an organism that lives on or in an organism of another species |
| producer | an organism that is able to produce its own food |
| scavenger | an animal that feeds on dead organic matter |
| decomposer | an organism, usually bacterium or fungus, that breaks down the cells of dead plants and animals into simplier substances |
| predator | an organism that exists by preying upon other organisms |
| carcinogen | a substance that tends to produce a cancer |
| horizontal | parallel to or in the plane of the horizon |
| vertical | perpendicular to the plane of the horizon |
