1. Phylum Arthropoda crustaceans, spiders, ticks, centipedes, millipedes, insects

2. Arthropod Parasites Head lice

3. Arthropod Parasites Pubic Lice/Crabs

4. Arthropod Parasites Chiggars-Mites

5. Arthropod Parasites Scabies-mites

7. Arthropod Characteristics  3 tissue layers- Coelomate  Mouth and Anus/ Digestive system  Bilateral Symmetry  External skeleton-made of chitin  Jointed appendages  Segmentation  Molting- out grow skin

8. Body Processes  Feeding: herb, carn, omni, det, f.f., parasites  Respiration: tracheal tubules and spiracles; book lungs, gills,  Circulation: open circulatory system, well-dev heart  Response: well developed system w/ brain;sophisticated sense organs  Reproduction: internal-land;external or internal-aquatic

9. 5 Classes of Arthropods

10. Class Diplopoda/Chilopoda  Millipedes –2 legs per segment  Centipedes –1 leg per segment

11. Class Crustacea  Two body parts  Five pairs of legs  Mandibles/pinchers  Gills  Ex:arrow crab

12. Class Arachnida  2 body parts  4 pairs of legs  Book lungs  Ex:scorpion

13. Class Insecta  3 body parts –Head, thorax,abdomen  3 pairs of legs  Spiracles/trachea –breath  Malpighian tubules –Excrete wastes