BSC 2011 Lecture Notes - Lecture 12: Choanoflagellate, Diploblasty, Proteoglycan
28 Oct 2016
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Office hours are thursday during 5th period or by appointment. Read the chapter before you come to lecture in order to understand what is being talked about and answer top hat questions. Utilize the posted study guide questions to focus on information in the reading. Lecture figures are posted before class, lecture notes will be posted after class. What is an animal: general characteristics. Differ from the fungi who excrete digestive fluids onto their food: synapomorphies that distinguish animals: Similarities in hox genes (body development) and other developmental genes. Sponges vs. non-sponges: sponges are made up of individual cells that are responsible for their own life support, cells look similar to the choanoflagellates. Eumetozoans: (cid:862)true a(cid:374)i(cid:373)als(cid:863, have distinct layers of cells that form in early development, the basal condition has two layers. Comprised of the endoderm (cells on the inside of the adult body) and the ectoderm (cells that make up the outside of the body)
