Bugs

MODULE I. CLASSIFICATION OF ORGANISMS Reading assignment: Chapter 1, pgs. 3-8, 10-13, Fig. 1.6, Figs. 1.3, 1.10 Chapter 22, pgs. 465-467, 476-478, Figs. 22.1, 22.2, 22.14 I. What is a life thing? Diverse organisms descended from a single-celled ancestor that evolved make full to 4 billion years ago. II. Levels of Organization of Life I.A. Molecules - argon do up of atoms I.B. Cells - are built of molecules I.C. Tissues - group of cells with a merged portion I.D. Organs - combine several tissues that function to considerher I.E. Organisms Living thing. Made up of cells. Biodiversity: As many as 30 million species accompaniment on Earth today. Species: I.F. Populations - a group of many organisms of the analogous species I.G. Communities - harps of populations of different species I.H. Biosphere - ecosystems exchange thrust and create the biosphere III. Classificat ion of organisms III.A. compartmentalisation base on cellular organization prokaryotes - first unicellular organisms that consist DNA, lack nuclei eukaryotes - contains cells patrimonial information is protected in a special bullock block, DNA broken into chromosomes III.B.

classification based on cellular composition Unicellular - Multicellular III.C. classification based on the feeding pattern autotroph - able to produce their induce feed heterotroph - must consume other organisms, cant produce food III.D. classification based on their environmental rela tionship: Producers Cons! umers Decomposers III.E. binomial nomenclature Key feature: allowed scientists to indicate unambiguously to the homogeneous organisms by the same names The first: the genus name The warrantee: the species name III.F. Organisms can be grouped into six kingdoms 1. Archaea (Archaebacteria) 2. (Eu)bacteria 3....If you essential to get a full essay, order it on our website: OrderEssay.net

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