1. Echinoderms

2. Echinoderm Characteristics
Endoskeleton – inside body
5-part radial symmetry in most
Deuterostome
Being deuterostomes and having endoskeltons make them much more like us than any other invertebrates

3. Water Vascular System Unique to echinoderms
Water is taken in through tube feet in rays (arms), pumped to center, and then back out.
This system carries out respiration, circulation, and movement.

4. Water Vascular System

5. Groups of Echinoderms Sea urchins & sand dollars Brittle stars
Sea cucumbers
Sea Stars (star fish, but they’re not fish)
Sea lilies and feather stars

6. Sea Urchin and Sand Dollar

7. Brittle Stars

8. Sea Cucumbers

9. Sea Stars

10. Sea Lilies & Feather Stars