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How do organisms maintain body temperature
- 1. How do organisms maintain body temperature? Heat transfer, strategies, behaviors
- 2. Temperature All organisms exchange heat with their environment Heat Transfer Conduction Convection Radiation
- 8. Direct sunlight Infrared thermal radiation from atmosphere Infrared thermal radiation from animal Convection wind Evaporation Dust and particles Scattered sunlight Infrared thermal radiation from vegetation Reflected sunlight Reflected sunlight Infrared thermal radiation from ground Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
- 15. Ectotherms Cold blood Cold blood Capillary bed 5°C Temperature of environment Core body temperature 36°C Veins Artery Warm blood
- 20. Mass-specific metabolic rate (mL O 2 x g –1 x h –1 ) log Mass (kg) Shrew Harvest mouse Kangaroo mouse Cactus mouse Mouse Flying squirrel Cat Rat Rabbit Dog Sheep Human Horse 1000 100 10 1 1 0 2 3 4 5 6 7 8 0.1 0.01 Elephant Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.