| A | B |
|---|
| herbivore | animals that eat only plants or parts of plants |
| carnivore | animals that eat only other animals |
| omnivore | animals that eat plant and animals, or animal flesh |
| vertebrate | animal with a backbone |
| invertebrate | animal without a backbone |
| radial symmetry | animals with body parts aranged in a circle |
| bilateral symmetry | left and right sides are almost identicle, mirror images |
| sessile | organisms that remain attached to one place during their lifetimes |
| hermaphrodite | animals that produce sperm and eggs in the same body |
| polyp | cnidarian body that is vase-shaped and usually is sessile |
| medusa | cnidarian body that is bell-shaped and free-swimming |
| tentacle | armlike structures the surround the mouths of most cnidarians |
| stinging cell | a capsul with a coiled structure the helps the cnidarian capture food |
| free-living organism | doesn't depend on other oragisms for food or a place to live |
| anus | opening at the end of a digestive tract where wastes leave the body |
