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