[Jr., Cleveland P Hickman, Larry S Roberts, Allan org
Bioluminescence
Subtidal Lecture
Activity 23_Phylum Echinoderm at A
Phylum echinodermata 2012 2013
Living Shores of Singapore (Apr 2013)
Starfish
Invertebrates
Echinoderms. Spiny skin Spiny skin Radial symmetry Radial symmetry Water vascular system Water vascular system.
Echinodermata Spiny Skinned. Echinoderms *6000 living species 20,000 extinct species *all oceans, all depths *Planktonic larvae - bilateral symmetry *adult.
PHYLUM ECHINODERMATA. Characteristics: Endoskeleton Calcareous (calcium carbonate) Ossicles arise from mesodermal tissue Pentaradial symmetry as adults.
BIOL 201 Chp 1 Introduction to Invertebrates
