BIOL 1113 Midterm: Bio Exam 1 Study Guide
20 Apr 2017
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This is a list of concepts and terms you should review for your first exam (thursday, february. This list is not meant to be all inclusive but rather should be used as a guideline to help you organize your studying. Levels of biological organization a cell is the smallest most basic unit of life. Metabolism all the chemical reactions in a cell, Homeostasis = maintenance of internal conditions within certain boundaries. Adaptation any modification that makes an organism suited to its way of life. Over time, organisms become modified by the process of natural selection. All living organisms descended from a common ancestor. Overlapping stages, reducing atmosphere hypothesis (abiotic synthesis) primitive earth; oparin hypothesis, miller"s expts. Extra-terrestrial hypothesis, deep-sea vent hypothesis clay hypothesis- monomers --> polymers, protobiont,; rna-1st chemical selection. Protocell ---> cell (life) (chemical evolution to biological evolution. Dating of fossils: relative (index species), absolute radioisotopes, half-life, calculation. Geological (biological) time scale factors influencing patterns:
