Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 47, Problem 6TY
Summary Introduction
Introduction: Vertebrate animals regulate temperature homeostasis by various kinds of thermoregulation processes. For meeting the energy requirements of the body, the body needs to burn calories per unit time.
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The thermoneutral zone is the range of body temperatures over which an animal can maintain a constant basal metabolic rate. Which of the following patterns about thermoregulation is true?
A.
Below the lower critical threshold, animals must decrease their metabolic rate in order to maintain body temperature
B.
Animals living in the arctic have higher critical temperatures than do animals in the tropics
C.
When outside temperatures are below the lower critical temperature for an animal, animals in the arctic increase their metabolic rate faster than do animals in the tropics
D.
All of the above
E.
None of the above
create a question about animal physiology thermogenesis that shows you understand the topic to ask someone else.
this was the start of my question but I do not know what to ask ??? please help
Endotherms can alter metabolic heat production to maintain body temperature using both shivering and non-shivering thermogenesis.
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.
Chapter 47 Solutions
Biology
Ch. 47.2 - Prob. 1CSCh. 47.2 - Prob. 2CSCh. 47.3 - Can the relationship between body size and...Ch. 47.3 - What observation led to the experiments conducted...Ch. 47.3 - CoreSKILL How did the experimental linking of the...Ch. 47.3 - Prob. 3EQCh. 47.4 - Prob. 1CCCh. 47 - Prob. 1TYCh. 47 - Gluconeogenesis a. occurs when the liver...Ch. 47 - Prob. 3TY
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- What can happen when the negative feedback loop fails? Discuss this failure in the negative feedback loop and its consequences for thermoregulatingarrow_forwardTo what energy budget item is an excess or shortfall in intake credited or debited? (More than one answer may be correct): A) Specific dynamic action B) Basal metabolic rate C) Production D) Thermonuclear war E) Activityarrow_forwardWhich method of heat exchange occurs during direct contact between the source and animal? a. radiation b. evaporation c. convection d. conductionarrow_forward
- Which of these activities, that results in energy expenditure, makes up the greater portion of overall daily energy expenditure? Group of answer choices exercise fidgeting resting metabolism thermic effect of foodarrow_forwardWhich accounts for the major part of our total regular energy expenditures? A. Physical activity B. Thermal regulation C. Thermic effect of food D. BMRarrow_forwardWhich of the following occurs in the legs of goose (bird) standing on a frozen pond? Group of answer choices A. Warm blood from the body flows toward the legs of the bird. B. Cool blood from the feet flows toward the body of the bird. C. Heat is transferred from warm blood to cooler blood, reducing loss of heat to the environment. D. A and C E. A, B, and Carrow_forward
- What is thermoregulation and why is it necessary for the human body to function properly? List two physiological responses the human body takes to when its core temperature gets too high. Briefly explain how each works to reduce core temperature. Explain why one of these responses will not work if the air temperature is extremely high. Explain why one of these responses will not work if the relative humidity is extremely high.arrow_forwardDraw a negative feedback loop for maintaining homeostasis for thermoregulation where your body temperature is above the set point. In your drawing, include the stimulus, sensor, integrator, effector, and the arrows between the components to indicate how they all relate (be sure to indicate what each of these components are in your body, for example, what is your integrator). Further, answer the following two questions. First, what might be different between the response of an endothermic and an ectothermic animal in maintaining homeostasis? Second, describe what a negative feedback loop is and how it pertains to homeostasis.arrow_forwardWhich of the following would increase the rate of heatexchange between an animal and its environment?(A) feathers or fur(B) vasoconstriction(C) wind blowing across the body surface(D) countercurrent heat exchangerarrow_forward
- Which of the following states about Basal Metabolic Rate is NOT true? A) Basal Metabolic Rate is linearl proportional to weight B) Basal Metabolic Rate is the amount of energy need to maintain body functions C) Basal Metabolic Rate represents the energy needs of a human at rest D) As size increase Basal Metabolic Rate also increases E) Basal Metabolic Rate can be measured indirectly via oxygen consumptionarrow_forwardWhich of the following conditions is not applicable to measuring basal metabolic rate? a. reclining b. the time immediately after a meal c. room temperature d. restingarrow_forwardSome animals fall between endothermic and ectothermic. a) What is this thermoregulation category called? "_____thermy." b) Name one extinct animal with this kind of metabolism: c) Name one extant (living) animal which this kind of metabolismarrow_forward
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