BIOL107 Lecture 1: BIOL107 - LECTURE #1 - JANUARY 8, 2019
1 Feb 2019
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Document Summary
What is life: it is organized (ordered) > at the molecular, cellular, and organism levels, processes energy, responds to environment and stimuli, capable of reproduction, growth, and development, capable of evolutionary adaptation. Why classify life: social, dietary, medical, and economic reasons, to measure and monitor the diversity of life. Classi cation of living things (taxonomy): physical structures: Can be shown with a cladogram (a representation of relatedness) Can also be shown with a phylogram (a representation of relatedness where branch lengths are proportional. 2019: fossil record: helps esta, genetic similarities: Can be used over time as a molecular clock. He developed a hierarchy of groups > each one is a taxon. Based on similarities/di erences in physical characteristics of organisms. Mnemonic = damn kind people can often find great sex. Domain > kingdom > phylum > class > order > family > genus > Written as genus species (italics or underlined)
