DIGESTION By Erin and Courtney. Evolution Two types of digestion – Intracellular: Break down of macromolecules takes place within the cell. – Extracellular:
Bi 212: Lecture 6 Phylum Echinodermata. Phylum Echinodermata: Spiny-skinned.
BURGESS SHALE Kelly Lekan November 19, 2007 GEO 401.
Molluscs Phylum Mollusca. Includes snails, clams, octopuses and others. There are more species of molluscs in the ocean than any other animal group. There.
LABORATORIO Phylum Echinodermata
Intertidal Communities
Chapter 7
Phylum Annelida
Mollusks. Kingdom: Animalia Phylum: Mollusca Classes: – Cephalopoda-octopuses, squids, cuttlefish – Gastropoda- snails, nudibranchs – Bivalvia-clams,
Chapter 12 Annelida: The Metameric Body Form. Evolutionary Perspective 1.Body metameric, bilaterally symmetrical, and worm-like 2.Spiral cleavage, trochophore.
Intertidal Communities1 Rocky Shore Communities Sandy Bottom Communities.
Sea Stars, Sea Urchins, and Sea Cucumbers. Echinoderm larvae are bilaterally symmetrical; adult echinoderm have pentamerous radial symmetry (symmetry.
