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

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Presentation transcript:

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

Arthropod Parasites Head lice

Arthropod Parasites Pubic Lice/Crabs

Arthropod Parasites Chiggars-Mites

Arthropod Parasites Scabies-mites

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

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

5 Classes of Arthropods

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

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

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

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