BIO 210 Lecture Notes - Lecture 1: Gamete, Meiosis, Lysine
22 Aug 2018
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Document Summary
Systematics- study of diversity and evolutionary relationships or organisms . Relies on molecular genetics, >>organisms are more similar if their dna sequencing is closely similar. Classification= process of ordering organisms into groups based on their similarities and relatio(cid:374)ships (cid:271)ut . Artificial system (morphology). in a library, file books based on color, size, thickness, etc. Natural or phylogenetic system (natural relationships) in a library, books are ordered by the. First worldwide system of classification made by carolus linnaeus , systema naturae. The five kingdoms, made by robert h. whittaker in 1969. Now modified to include six kingdoms include the two prokaryotic, archaebacteria, and eubacteria. >>chemoautotrophs: uses chemical energy from oxidation of inorganic substances (some plants) the more hydrogens a molecule has, the more energy it will have and the greater it can reduce something because hydrogen is an electron donator types of heterotrophs: >>osmiotrophs: secrete digestive enzymes outside of body into environment and absorption occurs externally.
