BIOL 112 Lecture Notes - Lecture 7: Infectious Mononucleosis, Lophophore, Paramecium
11 Jan 2017
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26 stations, 3 mins per station, 77 (cid:395)"s, (cid:1005)(cid:1004)(cid:1004) pts. (cid:271)ut (cid:1005)(cid:1004)4 possi(cid:271)le pts. Lab review exercises 7-13: calcerea: calcium and spongin in spicules, other subphyla: mainly spongin in spicules. Do(cid:374)"t (cid:374)eed to ide(cid:374)tify o(cid:374)e of these from the other: leuconoid: larger bc pack a lot of cells into small area, *identify grantia (preserved/slide) Cnidarians: diploblastic-2 tissue layers: anthozoans: corals and anemones, only polyp, medusozoa: have medusa. No cubozoans on practical: cnidocytes and nematocysts. Ecdysozoans: nematodes: triploblastic animals have all 3 tissue layers, pseudocoelomate-gap b/w mesoderm and endoderm layer, organs not supported by anything, only attached @ mouth and anus ends. Identify major structures in ascaris dissection: uteri, digestive tube, male vs. female, on slides: onychophora: velvet worms. Some primitive segmentation, antennae, weird slime cannon things, closely related to arthropods but not arthropods. Lophotrochozoans: platyhelminthes: no trocophore/lophophore, triploblastic, acoelomate (primitive) Rhabditophorans: trematodes-parasitic flukes, cestodes-tapeworms (no digestive system @ all bc live in one)
