Identification should include
- endoskeleton vs. exoskeleton
- body shapes
- characteristics of crustaceans, mollusks, finfish, aquatic mammals, and aquatic reptiles.
Process/Skill Questions:
- What is the difference between an endoskeleton and an exoskeleton?
- How does skeletal structure identify the type of aquatic species?
- How does the skeletal structure or system impact classification or taxonomy?