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Biodiversity The Bacteria and Archaea.docx

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Department
Biology
Course
BIOL 1F90
Professor
David Fennell
Semester
Winter

Description
Biodiversity The Bacteria and Archaea • Cyanobacteria relatives of chloroplasts • Proteobacteria became the mitochondria • Bacteria and archaea closely related to each other in diagram • Eukaryotes tend to have linear chromosomes • When cyanobacteria flourished the whole atmosphere changed • Incredible range of diversity for cyanobacteria • Mitochondrial DNA is inherited form your mother (maternally inherited) • (bacteria and archaea) Because they are small they can reproduce faster by cell division and cannot hold a lot of information • Mucilage outside of the cell or cell surface • Can use a stain to identify bacteria Protists • Protists are not a good phylogenetic group because the eukarya is the ancestor and its descendants and is not a kingdom on its own (a lot of active work) • Paraphyletic because its leaving out descendants • Algae-can photosynthesize, found in most places • Protozoa- cannot produce their own photosynthate • Mucilage- mucus substance • Seaweeds or macroalgae
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