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Nutrition, Metabolism, and Temperature Regulation We are often more concerned with the taste of food than with its nutritional value when choosing from a menu or when selecting food to prepare. Knowing about nutrition is important, however, because food provides us with energy and the building blocks necessary to synthesize new molecules. What happens if we don't obtain enough vitamins, or if we eat too much sugar and fats? Health claims about foods and food supplements bombard us every day. GENÉTICA MOLECULAR Puedes consultar en el siguiente enlace las orientaciones sobre la asignatura para este curso Biología 09-10 Los Niveles de Organización de los seres vivos. Los Niveles Ecológicos Inquiry into Biology <hr><p><b>You must have javascript enabled to view this website. Please change your browser preferences to enable javascript, and reload this page.</b></p><hr> Inquiry into Biology Robert Constantin, Writer/EducatorHelen Colbourne, Forest Lawn High SchoolDarcy Dobell, Professional Writer/EducatorClaudia Fehres, William Aberhart High SchoolDeborah MacFadyen, Jack James High SchoolGeorge Thomson, Crescent Heights High SchoolAdrienne Mason, Professional WriterAlexandra Venter, Professional Writer

A simple model for natural selection In this simple procedure, grains of rice are used to model small organisms, and students act as predators selecting food during limited time spans. Over a number of generations, the proportion of grains of rice of each colour in each population will change if students select one colour in preference to another. This is a simple model for natural selection resulting from predation. Spanish Animations Spanish Animations Copyright ©2007 McGraw-Hill Higher EducationAny use is subject to the Terms of Use and Privacy Policy.McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies. Online Courses - Distance Learning - Επιμόρφωση Β΄ επιπέδου στις ΤΠΕ Videos Log In Welcome! Login in to your account Forgot your password? Register for an account A password will be e-mailed to you.

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