Life Science 15-1 Vocabulary
Vocabulary Section 15-1
Terms
undefined, object
copy deck
- Coelom
- A body cavity that contains an animal's internal organs
- Ganglion
- A mass of nerve cells
- Polyp
- The cup-shaped body form of a cnidarian that is generally attached to a surface
- Collar cells
- The special digestive cells found in the walls of a sea sponge
- Medusa
- The bell-shaped body form of a cnidarian that swims freely
- Cnidarians
- Animals that belong to a group of invertebrates with specialized stinging cells
- Roundworm
- Any one of a group of simple invertebrates with a body that is long, slim, and round
- Sponge
- The simplest invertebrate; has no tissue, guts, neurons, or coelem
- Gut
- The digestive tract of an animal
- Invertebrate
- An animal that does not have a backbone
- Flatworm
- The simplest type of worms