1. Why are echinoderms categorized as animals?
2. Discuss how the circulatory system functions in each organism. (Fish and Frog)
3. Mention several beneficial employs of chordates. What is their responsibility in their environment? Could we live devoid of them?
4. Mention several detrimental effects of the chordates, if any.
5. Why are chordates categorized as animals?
6. Give several exs of the Chordates and where they’re found.
Level of Detail: Only answer required