10-29-07 - BIO 311D 29/10/2007 09:06:00 Mammals and birds:...

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BIO 311D 29/10/2007 09:06:00 Mammals and birds: endotherms heat generation: o shivering o nonshivering thermogenisis (brown fat) regualation o vasodilation/constriction o insulation (fur, hair, fat) o evaporative cooling (sweating, panting) (enchancements: saliva, urine) behavioral o moving to warm/cool areas to warm up/cool down other temperature adjustments: o acclimatization days to weeks shock proteins incuced by sudden environmental change can be induced by all organisms from humans to bacteria. o Daily Torpor at day time they are inactive and then active after dark o Hibernation winter/seasonal inactivity used to conserve energy o Estervation This is summer torpor They do this because some animals live in hot, desert- like areas and they do this to conserve energy and help prevent dehydration and starvation due to lack of food
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Nitrogenous waste disposal breakdown of proteins, nucleic acids or conversion of carbohydrates
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This note was uploaded on 04/07/2008 for the course BIO 311D taught by Professor Reichler during the Fall '08 term at University of Texas at Austin.

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10-29-07 - BIO 311D 29/10/2007 09:06:00 Mammals and birds:...

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