Key Points
Key Points: Arthropoda
- Body Structure: Segmented, triploblastic, eucoelomate, and bilaterally symmetrical
- Appendages: Jointed appendages with a chitinous exoskeleton
- Habitat: Found in all types of environments – aquatic, terrestrial, and aerial
- Reproduction: Unisexual
- Examples: Crab, spider, cockroach, butterfly, honey bee
