BIO109.1 - BIO109 Class Notes Tuesday, August 28 Topics for...

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BIO109 – Class Notes 28/08/2007 09:44:00 Tuesday, August 28 Topics for semester: Organismal diversity Genetics and evolution Ecology Behavior Conservation READ “INTRO ESSAY”  The Scope of Biology Life’s levels of organization define scope of biology – the scientific study of life o Biosphere   Ecosystem   Community   Population   Organisms   Organ systems   Tissue   Cells   Organelles   Atoms and  molecules Biosphere – thin layer of life that surrounds earth Ecosystem – biotic and a-biotic environmental components  Community – all species in an ecosystem Population – group of individuals of a species Individual - organism o What is a level of organization? o How does position in the hierarchy of life relate to size and  abundance? Near one extreme of hierarchy of life’s levels, living organisms and their  environments form interconnecting webs o Ecosystems characterized by cycling of chemical nutrients from 
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This note was uploaded on 02/10/2010 for the course BIO G 109 at Cornell University (Engineering School).

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BIO109.1 - BIO109 Class Notes Tuesday, August 28 Topics for...

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