Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 48.7, Problem 1SB
Summary Introduction
To review:
The two mechanisms that an ectothermic animal can use to regulate its temperature.
Introduction:
The animals maintain their body temperature within the range (0°C to 45°C), because their cells cannot survive beyond this temperature range. The lipid bilayer of cells get frozen below 0°C, and the proteins and
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ectotherms thermoregulate by moving between sunny and shady locations whereas endotherms do not thermoregulate
endotherms thermoregulate by producing heat through metabolic reactions whereas ectotherms do not thermoregulate
ectotherms and endotherms both thermoregulate, but they do it through different methods
Chapter 48 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 48.1 - Define the terms osmosis, osmolarity, hypoosmotic,...Ch. 48.2 - How are protonephridia, metanephridia, and...Ch. 48.3 - Prob. 1SBCh. 48.3 - Prob. 2SBCh. 48.4 - Prob. 1SBCh. 48.5 - Prob. 1SBCh. 48.5 - Reptiles and birds excrete nitrogenous wastes in...Ch. 48.6 - Distinguish between ectothermy and endothermy....Ch. 48.7 - Prob. 1SBCh. 48.7 - Prob. 2SB
Ch. 48.8 - Prob. 1SBCh. 48 - Which of the following statements about...Ch. 48 - Prob. 2TYKCh. 48 - Prob. 3TYKCh. 48 - Prob. 4TYKCh. 48 - Prob. 5TYKCh. 48 - Which of the following correctly describes a part...Ch. 48 - Which of the following is an example of...Ch. 48 - Prob. 8TYKCh. 48 - Prob. 9TYKCh. 48 - Prob. 10TYKCh. 48 - Prob. 11TYKCh. 48 - Discuss Concepts As a person ages, nephron tubules...Ch. 48 - Prob. 13TYKCh. 48 - Prob. 14TYKCh. 48 - Prob. 15TYKCh. 48 - Prob. 16TYKCh. 48 - Prob. 1ITDCh. 48 - Prob. 2ITDCh. 48 - Prob. 3ITD
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- Using the Venn diagram compare and contrast how thermoregulation in the human body is comparable to a thermostat regulating temperature in a home or building.arrow_forwardWhat effect would swimming in cool water have on body temperatureregulation? What would happen if a negative-feedback mechanismdid not return the value of a variable, such as body temperature, to itsnormal range?arrow_forwardWhat animal is not a homeothermic, endothermic, poikilothermic, and ectothermic? and what does this animal do to regulate its body temperature?arrow_forward
- Explain the negative feedback mechanism that occurs when the body is dehydratedarrow_forwardDescribe what happens in an endotherm and an ectotherm when outside temperature gets cold, and what happens when it gets hot.arrow_forwardWarm-blooded animals have a narrow range of body tem-perature because their bodies have a high water content. Explain.arrow_forward
- Based on the physical laws of evaporation, explain why the highbody temperatures of mammals and birds make them prone tohaving higher rates of evaporative water loss than poikilothermicterrestrial vertebrates with lower body temperatures.arrow_forwardFrom the list of strategies for dealing with harsh cold environments, choose those that an ectotherm would employ. See image attatched.arrow_forwardIn terms of body temperature regulation, contrast “cold-blooded” (Ectothermic or poikilothermic) and “warm-blooded” (Endothermic or homeothermic). Identify three animals that are ectothermic and three animals that are endothermic. What is the adaptive advantage of endothermy?arrow_forward
- Compare the costs and benefits of being an endotherm, and describe strategies endotherms use to adjust their body temperature.arrow_forwardA tiger was chasing a mouse across a field. Each was running at the same pace and increased its internal temperature to the same ratio of its initial body temperature. Which explanation correctly describes which animal would return to its initial temperature more quickly after the chase ended? A. The mouse loses water more quickly, and evaporation will cool its body faster because of size. B. The mouse has adapted to running longer distances relative to size and is more fit than the tiger. C. The tiger has a larger surface-area-to-volume ratio and will cool more quickly. D. The tiger can cool more quickly because of decreased metabolic rates within larger animals.arrow_forwardCompare the effects of hypothermia and hyperthermia onthe circulationarrow_forward
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