Arthropoda questions

1. T/F - Arthropoda is the largest phylum
2. Why are arthropods so successful?
3. What is the common structure in all Arthropods (think Greek)
4. What is the largest Arthropod (4 meter leg span)
5. T/F - Arthropods are great intermediate hosts
6. What is an example of a beneficial Arthropod?
7. T/F - Some Arthropods are herbivorous but far more are predacious.
8. What are the names of the Subphylum of Phylum Arthropoda?
9 What are 4 major characteristics of Arthropoda?
10. What is a somite?
11. How many tagmata do true instects have? What is a tagmata?
12. What is an example of a primative Arthropod?
13. What process is required for growth?
14. T/F - Arthropods have a closed circulatory system?
15. Why is the exoskeleton jointed?
16. What are some of the functions of the appendages ?
17. What is the difference between the ancestral exoskeleton vs. the modern exoskeleton?
18. What is embedded in the procuticle in lobsters and crabs?
19. T/F - All Arthropods molt about 9 times
20. What polymers is the exoskeleton made out of?
21. What hormones control molting?
22. What causes the molting to halt?
23. Where is the location of the X organ-sinus gland? Why is it in that location?
24. What is the term for the terminal molt of a crab?
25. T/F - Crab molting is consistent throughout life.
26. What is discarded exoskeleton called?
27. A decrease in MIH would cause _______?
28. The premolt stage shows a rise in what hormone?
29. T/F - the post molt stages are longer than the other stages of the molting cycle?
30. When does crab copulation occur?
31. What could you do to promote soft shelled crab molting?