1. STARFISH DISSECTION
Pick your groups, 3-4 people. Make sure you have 1 person to do
dissection! Put everything on side counters!! Sit!!

2. STARFISH KINGDOM ANIMALIA PHYLUM ECHINODERMATA “spiny skin”
STARFISH
KINGDOM ANIMALIA
PHYLUM ECHINODERMATA “spiny skin”
CLASS ASTEROIDEA “star-like”

3. Who do you find more attractive?
And no it’s not a question of sexual preference, so don’t go there.

4. SYMMETRY ADULTS- Radial LARVA (young)- Bilateral

5. PENTARADIAL Symmetry

6. ALL INVERTEBRATES ARE PROTOSTOMES (mouth first) EXCEPT ECHINODERMS.
Echinoderms, like starfish, are the only INVERTEBRATES that are also DEUTEROSTOMES (anus first)

7. Phylogeny

9. ORAL VIEW
MOUTH

11. 1-4

12. 6-10

13. 11-12

14. AMBULACRAL RIDGE
13-14

15. 17-19

16. 20-21

17. 22
WATER VASCULAR SYSTEM
BIODIDAC

18. TUBE FEET Used for feeding & locomotion23