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Animal Diversity III. Lab Topic 18. 18.3 Phylum Echinodermata. Sea stars, sea urchin, sand dollar Read and understand procedure, do not perform dissection. Understand anatomy as outlined in figure 18.6 for sea star observe mounts, models, and preserved examples on demonstration Handouts
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Animal Diversity III Lab Topic 18
18.3 Phylum Echinodermata • Sea stars, sea urchin, sand dollar • Read and understand procedure, do not perform dissection. • Understand anatomy as outlined in figure 18.6 for sea star • observe mounts, models, and preserved examples on demonstration • Handouts • Terms (sea star): water-vascular system, madreporite, tube feet, central disk, endoskeleton,coelom, skin gills,oral, aboral, gonads • Terms (sea urchin): Madreporite, gonads, intestine, Aristotle’s lantern, mouth, anus, spines
18.4 Phylum Chordata • 18.4 A Lancelet only • 4 common feature of chordates • Notochord, pharyngeal gill slits, dorsal nerve cord, post anal tail • Follow procedure for lancelet dissection and understand anatomy as shown in figures 18.7 & 18.8 • Terms: rostrum, pharynx with gill slits, post-anal tail, atrium, atripore, dorsal fin, nerve cord, notochord, closed circulation, segmental muscles, gill bars BE SURE TO ANSWER ALL QUESTIONS FOR EACH SECTION AND FILL IN ANIMAL DIVERSITY CHART
Comparative Osteology Observe Skeletons on display of various vertebrates Note differences/similarities between skeletons and human skeletal model Note differences between Vertebrae Ribs Limb bones Digital bones Use skeletal diagrams to ID bone sets Vertebrate Diversity
