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Overview of Animal Diversity and Anatomy Laboratory

In this lab session, students will engage in hands-on exploration of animal diversity and anatomy. The instructor will review pre-labs in the lab notebook and collect peer reviews. Participants will examine prepared slides, models, and live or preserved specimens, including dissections of rats and crayfish or crab. A quiz on diversity will conclude the session, and students will receive group assignments for the following lab. Topics include life cycles of deuterostomes and protostomes as well as an overview of key animal phyla.

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Overview of Animal Diversity and Anatomy Laboratory

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  1. 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.

  2. Pre-Juvenile Development Animal Life Cycle

  3. 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

  4. Animal Diversity

  5. Basic Human Anatomy

  6. Human Digestive Anatomy salivary gland(s) esophagus liver stomach gallbladder pancreas small intestine large intestine appendix

  7. Basic Rat Anatomy

  8. 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.

  9. 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.

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