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Lab 11. Overview. Instructor checks pre-labs. in lab notebook and COLLECTS peer reviews . Animal Diversity and Anatomy Overview. Examine prepared slides, models, live animals, and preserved specimens Rat and crayfish (or crab) dissections. Instructor overview of animal diversity.
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Lab 11. Overview • Instructor checks pre-labs. in lab notebook and COLLECTS peer reviews. • Animal Diversity and Anatomy Overview. • Examine prepared slides, models, live animals, and preserved specimens • Rat and crayfish (or crab) dissections. • Instructor overview of animal diversity. • Complete in-class exercise as quiz over diversity. • Students obtain group assignments in preparation for next week’s lab.
Pre-Juvenile Development Animal Life Cycle
Deutero- stomes Proto- stomes Animal Phylogeny Nematoda & Arthropoda Molluska & Annelida Echinodermata & Chordata Platyhelminthes “sponges” Cnidaria molting cnidocytes, polyp & medusa ventral nerve cord mesoderm, bilateral tissues, ectoderm & endoderm collagen, specialized intercellular junctions
Human Digestive Anatomy salivary gland(s) esophagus liver stomach gallbladder pancreas small intestine large intestine appendix
Reminders for the Lab • READ the instructions () in the manual • Really focus on recognizing the organisms. • You will be quizzed at the end of the lab for the in-class assignment. • Scalpels are very sharp, be careful. • Scalpels are the bazookas of dissecting tools. Scalpels are used only for occasional cuts. Scissors and sharp probes should be the primary tools used. (exception = scalpels used for skinning) • Don’t leave lab without a group assignment for next week.
Don’t leave getting a group assignment for next week. At/Near the end of lab the instructor will conduct a diversity overview and then a diversity quiz.