HSCI 100 Chapter Notes - Chapter 1: Archaea, Alternative Hypothesis, Scientific Method
15 Jun 2014
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Basic characteristics of all living things: living things have nucleic acids, proteins carbohydrates and lipids, living things are composed of cells, living things grow and reproduce, living things use energy and raw materials, living things respond to their environment, living things maintain homeostasis. > internal environment stays the same, even if the external environment changes: populations of living things evolve and have adaptive traits. Unicellular prokaryotic organisms, most live in extreme environment: domain eukarya. Cells that contain a membrane-bound nucleus and internal compartments. > kingdoms: protists: protozoans, algae, diatoms, fungi: molds, mushrooms, plants: mosses, ferns, seed plants, animals: invertebrate and vertebrates. Levels of biological organization: science: a systematic approach to answering questions. A logical approach to gathering info and reaching conclusions includes the steps of the scientific method: observation, hypothesis, prediction, experiment/ future observation, results, conclusion. A hypothesis is a tentative answer to a question.
