| A | B |
|---|
| Anus | opening at the end of the digestive tract through which waste leaves the body |
| Bilateral symmetry | body parts arranged in a similar way on both sides of the body, which each half being nearly a mirror image of the other half |
| Carnivore | animal that eats only other animals or the remains of other animals, mammals having large, sharp canine teeth and strong jaw muscles for eating flesh |
| Free-living organism | organism that does not depend on another organism for food or a place to live |
| Herbivore | animal that eats only plants or parts of plants; mammals with large premolars and molars for eating only plants |
| Hermaphrodite | animal that produces both sperm and eggs in the same body |
| Invertebrate | animal without a backbone |
| Medusa | cnidarians body type that is bell-shaped and free-swimming |
| Omnivore | animal that eats plants and animals or animal flesh; mammals with incisors, canine teeth, and flat molars for eating plants and other animals |
| Polyp | cnidarians body type that is vase-shaped and is usually sessile |
| Radial symmetry | body parts arranged in a circle around a central point |
| Sessile | describes an organism that remains attached to one place for most of its lifetime |
| Stinging cell | capsules with coiled trigger-like structures that help cnidarians capture food |
| Tentacle | arm-like structures that have stinging cells and surround the mouths of most cnidarians |
| Vertebrate | animal with a backbone |
