External examination
Directions: Answer the following questions using complete sentences when appropriate.
1. How long is the entire animal? ________________cm.
- How long are the two arms? ______________ cm.
- How long are the tentacles? ______________cm.
- Draw a picture showing the outline of the animal. Label the following parts: arms, tentacles, fin, mantle, eye, siphon, and the mouth.
- Where are the suckers and what do they look like?
- What do you believe the job of the suckers are?
- How can you tell the back (dorsal) from the stomach (ventral)
- Explain how the animal is able to move in water.
8. What are 4 body structures that show that this animal is very well adapted to living in water?