1. Animals - Deuterostomes Chapter 30

2. Characteristics  Similarities in embryonic development:  Radial cleavage  Indeterminate cleavage  Blastopore becomes the anus  Pharyngeal slits

3. Echinoderms: Spiny-skinned animals  Sea lilies, feather stars, sea stars, brittle stars, sea urchins, sand dollars, sea cucumbers, sea daisies  Endoskeleton covered by a thin epidermis  Water vascular system  Radial symmetry  All are marine

6. Chordates  Tunicates, Lancelets, and vertebrates  Four characteristics: 1. Notochord 2. Dorsal tubular nerve cord 3. Pharyngeal slits 4. Postanal tail

8. Agnatha – lampreys & hagfish

9. Cartilagenous fish – Sharks, skates, & rays

10. Bony Fish – most fish are in this group

11. Frogs – have smoother skin than Toads

12. Salamanders & Newts

13. Caecilian

14. Modern Reptiles

15. Birds

16. Along came mammals: Monotremes lay eggs

17. Marsupials: Pouched Mammals

18. Placental Mammals