Name: ______
Date: ______
Phylum Arthropoda
Read pp. 607- 614 of the Miller Levine Biology Text
1. Scientists believed that what type of evolution
has given rise to so much diversity in this phylum? (p. 607) ______
3. List two evolutionary trends that most living arthropods have exhibited in their adaptation away from the morphology of their ancestor the trilobite. (p. 609)
a)______
b) ______
4. List three distinguishing arthropod features (p. 609)
a) ______
b) ______
c) ______
5. What type of carbohydrate makes up their exoskeleton? ______
6. What are the major disadvantages of having an exoskeleton? ______
______
7. What does “Arthro – Pod” literally translate to mean? ______
8. List five different modes of feeding seen in this phylum (p. 610)
a)______
b) ______
c) ______
d) ______
e) ______
9. Arthropods tend to use one of three structural system for respiration, list and describe the type used by the arthropod listed:
A) Crabs: ______
B) Spiders: ______
______
C) Insects: ______
______
10. How many hearts do arthropods have and what type of circulatory system do they possess?
______
11. What do Malpighian Tubules do, and what human organ do they mimic? (p.612)
______
12. The nervous system of most arthropods is most similar to which one of the animals we have studied? (use your brain to answer this one)
A) Sponge B) Hydra C) Planaria D) Earthworm E) Clam
13. Describe the structure of a compound eye. (p. 613) ______
______
14. List three different places that chemical (taste/smell) receptors are located on various crustaceans and insects.
A) ______B) ______C) ______
15. What do sensory hairs detect? ______
16. Where are a grasshopper’s eardrums (tympanum)? ______
17. Other than possessing an exoskeleton, list a number of other means of protections used by arthropods:
______
______
______
18. Most arthropods use what type of…
A) Reproduction: ______B) Fertilization: ______