bio3Bexam2

bio3Bexam2 - Biology 3B Exam 2 Study Guide Ive tried to...

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Biology 3B Exam 2 Study Guide I’ve tried to include everything that was covered; however, there may be some inadvertent omissions. Anything covered in lecture will be fair game. If you’re not sure, just ask (me) or email. Chapter 32 Essay Questions: Be able to diagram early embryonic development from zygote to the gastrula stage including the germ layers (be able to use the following terms: cleavage, blastula, gastulation, metamorphosis) Understand the hypothesis for the origin of animal from flagellated protist What’s the role of homeoboxes and HOX genes in animal diversity Be able to diagram and understand the advantages of body plans for Acoelomate, Pseudocoelomate, and Coelomate Compare and contrast the early development in protostomes and deuterstomes (look at figure 32.9 for some guidance) Chapter 33 Essay Questions: Know important characteristics in each phylum including echinoderms and crustaceans (ie Cnidaria – diploblastic, nematocysts) Define the following: ostia, osculum, spongocoel, radial canals, choanocytes and amoebocytes. Briefly describe asconoid, syconoid and leuconoid body types of sponges. What are the characteristics of an endoparasite? Know the various types of parasites discussed in lecture and lab. Be prepared to discuss how they’re acquired, disease they cause, where they’re found geographically and within its host (intermediate and final); and any main disease conditions ( Ascaris, Necator, Trichinella, Wuchereria, Enterobius, Dracunculus , Fasciola , Taenia, Schistosoma, Clonorchis, Onchocera, Diroflilaria). Briefly describe asconoid, syconoid and leuconoid body types of sponges. What are major characteristics of Molluscs that distinguish it from other phyla? Members of this large and diverse phylum have impacted humans in many ways. Explain this statement. What are important features distinguishing features of arthropods? Briefly explain the difference between complete and incomplete metamorphosis. Include a brief discussion about ecdysis, ecdysone, juvenile hormone and prothoracotropic hormone and how they’re involved in metamorphosis. Onychophorans have been regarded by some biologists as a “missing link” between annelids and arthropods.
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This note was uploaded on 02/28/2012 for the course BIO 3A taught by Professor Huntley during the Spring '10 term at Saddleback.

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bio3Bexam2 - Biology 3B Exam 2 Study Guide Ive tried to...

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