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Biological classification

Biology Studyguide

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Unit 1: Scientific Method and Interdependence: Chapters 1, 33 - 36 Chapter 1: The Study of Life Hierarchy of levels: Atoms to molecules to cells to tissues to organs to organ systems to organisms. Characteristics of life, and definition of life: Life is characterized by (1) organization, (2) acquisition of materials and energy, (3) reproduction, (4) responses to stimuli, (5) homeostasis, (6) growth and development and (7) the capacity to adapt. Classification system to group organisms (DKPCOFGS): Systematics: Domain, kingdom, phylum, class, order, family, genus, species. Human classification: Domain Euakarya Kingdom Animalia Phylum Chordata (vertebrae) Class Mammalia Order Primates Family Hominidae Genus Homo Species Homo sapiens
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