Station 25 Phylum: Echinodermata – What characteristic is unique to echinoderms? What type of symmetry do these organisms demonstrate? What does the word mean? “echinodermata” What type of development do these animals have? When did they appear in the evolutionary history? Where are they found? Station 26 Phylum: Echinodermata – Level of Organization Organ-system level Tissue Layers Triploblastic Type of Digestive System Alimentary Canal What type of digestion do they have? Extra- and intracellular Type of Excretory System None Type of Circulatory System Reduced Type of Respiratory System Dermal Branchiae Type of Nervous System Ring and Radial nerves Type of Body Cavity Eucoelomates Type of Asexual Reproduction Regeneration Type of Sexual Reproduction Dioecious Station 27 Echinoderm Structures – Be able to recognize the following terms and the and bipinnaria larvae under the pedicellariae microscope. Oral side: Aboral side: Madreporite: Ambulacral Grooves: Pedicellariae: Papillae: Bipinnaria larvae
Station 25 – Phylum: Echinodermata What characteristic is unique to echinoderms? What type of symmetry do these organisms demonstrate? What does the word “echinodermata” mean? What type of development do these animals have? When did they appear in the evolutionary history? Where are they found? Station 26 – Phylum: Echinodermata Level of Organization Organ-system level Tissue Layers Triploblastic Type of Digestive System Alimentary Canal What type of digestion do they have? Extra- and intracellular Type of Excretory System None Type of Circulatory System Reduced Type of Respiratory System Dermal Branchiae Type of Nervous System Ring and Radial nerves Type of Body Cavity Eucoelomates Type of Asexual Reproduction Regeneration Type of Sexual Reproduction Dioecious Station 27 – Echinoderm Structures Be able to recognize the following terms and the pedicellariae and bipinnaria larvae under the microscope. Oral side: Aboral side: Madreporite: Ambulacral Grooves: Pedicellariae: Papillae: Bipinnaria larvae
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