Week 4 Notes Protists: Biology 160 Diversity and the History of Life Week 4 Notes Protists
Week 4 Notes Protists: Biology 160 Diversity and the History of Life Week 4 Notes Protists BIO 160
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This 2 page Class Notes was uploaded by Alexis Rousek on Saturday January 30, 2016. The Class Notes belongs to BIO 160 at California Polytechnic State University San Luis Obispo taught by Dr. Benjamin Ruttenberg in Winter 2016. Since its upload, it has received 19 views. For similar materials see Diversity and History of Life in Biological Sciences at California Polytechnic State University San Luis Obispo.
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Date Created: 01/30/16
BIO 160 Week 4 Notes: EukaryotesProtista Protist: Includes all eukaryotes that are not green plants, fungi or animals o Mostly single-celled o Photosynthetic and Non photosynthetic o Diverse morphology o Occupy many habitats o Alternation of generations common Protists are paraphyletic because the group includes a common ancestor and some but not all of its decedents. Common ancestor is Eukaryotes and includes Protists but not green plants, fungi, or animals. Categorized into 7 major categories called Clades o Amoebozoa o Excavata o Plantae o Rhizaria o Alveolata o Stramenopila o Opisthokonta There are two major clades of Eukaryotes: o Unikonta-eukaryotes with one flagella o Bikonta-eukaryotes with two flagella Eukaryotes and the Nucleus: Possibilities of its origin o In folding of plasma membrane around chromosomes o Endosymbiosis of Achaea and Bacteria o Endosymbiosis of virus and microbe o * None of these seem to have more credibility than the other and it is still highly disputed today. Symbiosis: Individuals of two different species live in physical contact, often for mutual benefit Endosymbiosis: occurs when an individual of one species lives inside an individual of another specie
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