| Darwin |
Biologist who developed theory of evolution of species (1859); argued that all living species evolved into their present form through the ability to adapt in a struggle for survival. (p. 715)
Ãâó: occawlonline.pearsoned.com/bookbind/pubbooks/stear...
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| darwinism |
The theory of evolution that states that all plants and animals developed from earlier forms by changing and adapting to their environment for survival
Ãâó: www.sitesalive.com/admin/glossary/sectD.html
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| Darwin |
as in 'a darwin'. An eponymous unit of evolutionary change just as a newton is a measure of force, ampere a measure of electrical current and Kelvin a measure of temperature. According to JBS Haldane, one darwin equals a rate of change (for examplein size) of 0.1% per thousand years. Slow chnage would be measured in 'millidarwins', rapid change in 'kilodarwins'. Actually, the darwin has not been much used in the literature to express rates of evolution.
Ãâó: 137.122.151.29/BIO1120/Includes/Glossary.htm
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| dark adaptation |
The process by which the retina becomes adapted to a luminance of less than 0.01 footlamberts.
Ãâó: lightingdesignlab.com/library/glossary.htm
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| dark adaptation |
The physical and chemical adjustments of the eye and visual system that make vision possible in low levels of illumination by increasing its sensitivity to light.
Ãâó: www.hfeconsulting.com/Expert_Witness/GlossaryAtoD....
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