1. Invertebrate Lab Practical Review

2. The Lab Practical will cover the following invertebrates:
Grasshopper: 8 questions handout
Squid: 7 questions handout & pg 418
Clam: 3 questions pg 417
Earthworm: 7 questions pg 415
Crayfish: 8 questions handout & 423
Starfish: 7 questions pg 428

3. Worms: 9 questions (invertebrate part 1 notes and page 412-413, 420)
Total: 50 questions

4. Grasshopper: Be able to tell male from female
Know that the covering of the grasshopper is the exoskeleton
Diagram: pg

5. Grasshopper:

6. Squid
Know the mouth of the squid is called the beak
Diagram pg:

9. Clam
Umbo
periostracum
Growth lines

10. Hinge teeth
Nacreous layer
Pallial line

12. Earthworm

14. Starfish
Dorsal

15. Ventral

18. Crayfish

19. 3 classes of the Phylum Platyhelminthes
1. Tubellaria: planarians
2. Trematoda: flukes
3. Cestoda: tapeworms

20. Tubellaria: planarians

21. Trematoda: flukes

22. The tapeworm is lacking a digestive system

23. Taenia pisiformis Taenia saginatis
Dog tapeworm Beef Tapeworm

24. Trichinella spiralis

25. Ascaris lumbricoides Ascaris lumbricoides
females are larger and males have a hooked tail
Largest roundworm to infect humans

26. Enterobius vermicularis