1. Phylum Arthropoda

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

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

4. Characteristics
Jointed Appendages

5. Characteristics
Exoskeleton with chitin
Advantages
Disadvantages

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

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

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

9. 4. Feeding
Specialized feeding appendages

10. 6. Respiration
Aquatic:
Gills
Terrestrial: Spiracles & Tracheae

12. 7. Internal Transport
Open Circulatory System