Invertabrates
Roundworms, Flatworms-Diana
Roundworms
- Have organs
- Microorganisms
- Round tube-like body
- Some are parasitic-they are parasites
- Move in a whip-like motion
- Reproduce sexually
Flatworms
- Flattened body
- Digestive system with only one opening
- Simple nervous system
- About an inch long
- Usually live in damp fresh water environments
- Eat through a straw-like tube
- Triangle-shaped heads
- Reproduce sexually