CGS NS 201 Lecture Notes - Lecture 10: Monera, Archaea, Protist
9 Aug 2018
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Document Summary
Most successful type of vertebrate ever to walk earth. Represent a vry diverse group of animals. Evolved from theocodonts: crocodile-like group of carnivorous reptiles (now extinct) Dinosaurs evolved legs positioned directly below body: allowed for swift movement. Sauropods: dominant herbivore group, large size, elongated neck. Theropods: bipedal, carnivorous dinosaur, powerful legs and short arms. Sauropods replaced by dinosaurs with chewing teeth. End of cretaceous: mass extinction event: most likely meteor cash, colder temperatures. Branch of biology: reconstruction of phylogeny. Evolutionary history of species: naming organisms, placing in hierarchical categories. Placed organisms into hierarchal catergories based on resemblances. Categories of classification (linnaean system: domain (eukarya, kingdom (animalia, phylum ex. Sponges (chordata: class (mammalia, order (primates, family hominidae, genus (homo, species (sapiens) **start at most general descend to more specific. Binomial names are always italicized or underlined: genus name is always capitalized, species name is always lower case, genus name can be abbreviated with a single letter.
