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Unformatted text preview: THERMO-REGULATION Chapter 12 12/04/07 Reproduction growing a fetus in the body requires more energy than maintenance Excess energy is stored in the body for later use Metabolic Rate = the amount of energy that an animal uses in a given time period Smaller animals higher metabolic rate The higher the metabolic rate = the more energy it takes to maintain that animal Example: mouse vs. elephant Respirometer = a machine that measures how much oxygen an animal is taking in Homeothermic = an animal that maintains a constant body temperature (warm- blooded) Ectothermic = an animal that obtains their heat from external sources Endothermic = an animal that generates heat internally Poikilothermic = an animal whose temperature fluctuates (cold-blooded) Average Rectal Temperatures Table 12.1 in book Cat = 101.5 o F Dog = 102 o F Pig = 102.5 o F Sheep = 102.3 o F Dairy Cow = 101.5Dairy Cow = 101....
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This note was uploaded on 04/30/2008 for the course AVS 331 taught by Professor Jones during the Spring '08 term at Rhode Island.
- Spring '08