1. Dissection Lab “Walk through”

2. Questions??? 1. What are the main characteristics of a mollusk?
Invertebrates, soft unsegmented bodies often covered in a shell; have thin layer of tissue called a mantle that covers their internal organs and an foot (tentacles); open circulatory system, gills,

3. Dissection Safety Guidelines

4. Why Do We Dissect?
To view and compare the internal and external structure of different organisms to each other and ourselves

5. Rule #1
Listen for directions and respond immediately so you don’t miss instructions!!

6. Absolutely NO HORSEPLAY!!
Rule #2
Absolutely NO HORSEPLAY!!

7. Work at your lab station only. Don’t interfere!!
Rule #3
Work at your lab station only. Don’t interfere!!

8. Wear goggles and gloves!
Rule #4
Wear goggles and gloves!

9. Rule #5
Always keep your hands away from your face, eyes mouth and other people

10. Let your teacher know if you are not feeling well!!
Rule #6
Let your teacher know if you are not feeling well!!

11. Handle your specimen and tools with extreme care!
Rule #7
Handle your specimen and tools with extreme care!

12. Dispose of all specimen parts in the designated trash area only!!!
Rule #8
Dispose of all specimen parts in the designated trash area only!!!

13. Rule #9
Clean up your area and return all equipment to proper place. Wash tables!!

14. Wash your hands thoroughly with soap and water when you finish
Rule #10
Wash your hands thoroughly with soap and water when you finish

15. Dissection Part 1& 2 Squid Dissection

16. Pre-lab Discussion Completed

17. Dissection Lab Worksheet

18. External Anatomy

19. Analysis

20. Internal Anatomy

21. Guess What I get to do????

22. Observation and Analysis

23. What’s it look like??

24. Mouth
Arms
tentacles
Eyes
Mantle
Siphon
Chromatophores
Fins

25. Esophagus
Ink Sac
Anus
Gills
Intestine
Gill Heart
Gonads
Systemic Heart

26. Questions??? In your notebook check to see if you can add to your earlier answer:
1. List the main characteristics of a mollusk
2. What characteristics are unique to the octopus and squid?

27. Safety
On the card write one safety rule or tip you will remember for the lab tomorrow??

28. Anthology of Deep-Sea Squids