BIOLOGY 1M03 Study Guide - Midterm Guide: Tooth Enamel, Homininae, Human Taxonomy
28 May 2016
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Primitive: there is no such thing as higher or lower organisms. Population: individuals in the same species that live in the same area. Therapsids: a group with mammalian traits that disappeared at the end of the triassic period; one group evolved and diversified, constituting mammals. Hominoids: clade containing gibbons, orangutans, gorillas, chimps, and humans; apes. Plesiadapiforms: a taxon containing extinct animals; experts disagree as to whether they should be included in the primate order; if they possess some primate-like traits. Platyrrhines: new world monkeys; comprise 5 primate families in central and south america. Hominin: refers to any of the below three groups. The origin of the human lineage is a late event in earth history. Cenozoic era: saw a spectacular mammal radiation, following extinction of the dinosaurs (except birds) Continents have moved significantly in the past 200 million years from pangaea to laurasia and. Effects evolution by putting up barriers that isolate species.
