BIOL 1000 Lecture Notes - Microsoft Powerpoint, Sunburn, Photon

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4 Dec 2012
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Biol 1000 light and life september 7th, 2012. Astrobiology refers to the study of life in the universe. We must know how life sustaining environments exist. Through experimentation and hypothesis, we can figure out what is needed for life to exist. Food, water, oxygen, proper atmosphere, light and energy. Science is a dynamic discipline, through research we can figure out how events occur. Light refers to the region of the electromagnetic spectrum that humans can detect with their eyes. (the spectrum of visible light) It consists of shorter wavelengths and longer wavelengths. The photoreceptors that humans have can only detect wavelengths from 380 nm 750 nm. The shorter the wavelength, the higher the amount of energy that is present. The longer the wavelength, the lower the amount of energy that is present. These waves are made up of small energy packets called photons.

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