Phylum Arthropoda.

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Presentation transcript:

Phylum Arthropoda

General Information Phylum: Arthropoda Examples: Insects Spiders Crustaceans Centipedes Millipedes Scorpions

Characteristics Body Structure Eucoelomate = fluid-filled body cavity, gut lined with peritoneum Segmentation (Metamerism) Tagmata = fused segments

Characteristics Jointed Appendages

Characteristics Exoskeleton with chitin Advantages Disadvantages

Characteristics Exoskeleton with chitin - Ecdysis = Molt Exit old exoskeleton to get bigger Danger while new one hardens can’t move

Characteristics 2. Level of Organization = organ system 3. Symmetry = Bilateral

Characteristics 4. Feeding Complete digestive tract Feeding Patterns: all types Herbivores Carnivores Filter feeders Predators

4. Feeding Specialized feeding appendages

6. Respiration Aquatic: Gills Terrestrial: Spiracles & Tracheae

7. Internal Transport Open Circulatory System