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Unformatted text preview: Life's Characteristics/Origin qualities of life- originated in early waters containing cyanide, methane, hydrocarbons, etc • movement - not necessary for life, nor possessed only by the living • sensitivity - all living things respond to stimulus, but not all types of stimuli produce responses • death - all living things die, but unless you can prove something is alive, then you can't kill it • complexity - all living things are complex (but so are some nonliving things); can't define life by itself • fundamental properties of life- cellular organization, sensitivity, growth (metabolism), development, reproduction, regulation, homeostasis heredity- mechanism to improve the organism • genetic system w/ DNA allows for adaptation/evolution over time • able to change and keep the new effects of the change • viruses, microspheres aren't life because they can't reproduce/change by themselves • evolution/heredity - essential to life; definition of life hypotheses about the origin of life...
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This note was uploaded on 01/04/2012 for the course BSC BSC1005 taught by Professor Orlando,rebecca during the Fall '10 term at Broward College.
- Fall '10