Table of contents

1. Vetebrates - Invertebrates
2. Observing roman snails or pond snails:
   • head, foot, body-sac
   • shell
   • senses
   • feeding
   • breathing
   • movement
3. Snails - main characteristics:
   • head: senses, feeding
   • foot: movement
   • body-sac: organs, mantle, shell
4. Reproduction
5. Compare a slug to a snail
6. Different snails:
   • snails living on land
   • freshwater snails
   • marine snails
7. Keywords: English-German