Biological Science; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Biological Science (6th Edition)
6th Edition
ISBN: 9780134577821
Author: Scott Freeman, Kim Quillin
Publisher: PEARSON
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Chapter 39, Problem 9TYPSS
Summary Introduction
To review:
The large gorilla about the size of King Kong to have fur.
Introduction:
Fur refers to the hair covering the skin of the mammals. The main function of the fur is to control the temperature of the body.
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Chapter 39 Solutions
Biological Science; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Biological Science (6th Edition)
Ch. 39 - Prob. 1TYKCh. 39 - 2. Which of the following examples best describes...Ch. 39 - As an animal gets larger, which of the following...Ch. 39 - Prob. 4TYKCh. 39 - 5. For each of the following, explain how...Ch. 39 - Prob. 6TYUCh. 39 - Explainwhymostendotherms are homeothermic and...Ch. 39 - Prob. 8TYUCh. 39 - Prob. 9TYPSSCh. 39 - 10. The dinosaur Apatosaurus (Brontosaurus) is one...
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- How does low temperature effect the life processes of cold-blooded animals? Select one: a. increases the procceses of heat emission b. decreases the procceses of heat emission c. decresaes heat buildup d. increases heat buildup e. changes the daily activityarrow_forwardWhat labels would you use to describe an animal that cannot use its metabolism to generate heat but homeostatically regulates its body temperature around a specific set point using other means? Explain your reasoning.arrow_forwardHeat exchange with the environment depends on the surface area-to-volume ratio of the body. Assuming that the body shape of an animal is at least somewhat spherical, a considerable decrease in body size would the surface area-to-volume ratio, and the ability to exchange heat with the environment would A. increase; increase B. increase; stay about the same C. increase; decrease D. decrease; increase E. decrease; stay about the samearrow_forward
- The Mojave Desert of the western United States is characterized by a hot, dry climate. Scientists predict that temperatures in this region will increase by an average of 4.7° F over the next 30 years. Birds found here (like ground-dwelling roadrunners) are endotherms and have many adaptations to reduce the amount of heat absorbed into the body while active in the daytime. If temperatures increase in this area as predicted, how might the plumage (the feathers covering the body) of these roadrunners change under the influence of natural selection? 1:The plumage will likely become longer and increase heat absorption into the body. 2:The plumage will likely become darker and increase heat absorbed from the environment. 3:The plumaqe will likely become lighter and increase heat reflected away from the body. 4:The plumage will likely become thicker and increase the amount of heat trapped by the body.arrow_forwardSuppose that a cow is launched into space, far from the Sun, wearing a suit that provides it with oxygen but very little insulation. Estimate how long it will take the cow to radiate enough heat to lower its body temperature by 2C , wherein hypothermia will begin to set in. (Note: You will have to estimate whatever numerical parameters that you think are relevant to this problem; there is a wide range of “correct answers”.)arrow_forwardGive typing answer with explanation and conclusionarrow_forward
- Which of the following statements about metabolic heat is true? A. Relative to their body size, animals that maintain body temperature by metabolic heat production have lower metabolic rates than animals that do not use metabolic heat to maintain body temperature B. Metabolic heat is the product of inefficiencies in the biochemistry of life C. Homeotherms rely on metabolic heat to maintain body temperature D. Relative to their body size, larger animals lose more metabolic heat to the environment than smaller animals E. All of the above are truearrow_forwardA high metabolic rate warms the animal from within, and insulation (such as fur and body fat) slows heat loss. Birds for example are warm-blooded animals that have high metabolism. During the winter, how do birds keep their body warm? The answers are found in their parts, their feathers, legs and feet, and their behavior like fluffing, shivering and roosting. How do their feathers, legs and feet help them regulate their body temperature? How do fluffing, shivering and roosting regulate bird's body temperature?arrow_forwardWith regard to thermoregulation in humans, what could be considered an accurate consequence of the outside temperature dropping below the lower critical temperature? A. The individual will begin to breathe in less oxygen and exhale less carbon dioxide. B. The metabolic needs of the individual will increase if they remain below the lower critical temperature for sufficient time-frames. C. Capillaries (i.e. blood vessels) near the surface of the skin will dilate in order to allow blood to circulate more freely throughout the organism, distributing heat to raise temperature. D. The person's Basal Metabolic Rate will be lowered to match the Standard Metabolic Rate of an ectotherm of comparable size. E. Hormones from the hypothalamus will be released, which lead to the initiation of a positive feedback response that amplifies muscle contraction, leading to shivering.arrow_forward
- Which of the following statements is True?a. Ectotherms generate most of their body heatmetabolically.b. Ectotherms include birds and mammals.c. Ectotherms experience variable body temperatures.d. Ectotherms are known as “warm-blooded” animals.arrow_forwardSome animals adjust their temperature by absorbing heat from their environment. These ectotherms ("cold blooded"), such as a snake or turtle, control temperature by moving to the sun or into the shade. As a result, their temperature fluctuates considerably through the day and night. Other animals generate heat internally. These endotherms (mammals and birds) burn fat and sugar to convert them to heat and so stabilize their body temperatures. Draw energy diagrams for the following processes: 9 10 beisibni yhsalb 20 eere v coubjere a) A snake warming up by basking in the sun erdd asbulani iorlt megsib yaena nago nA b) A boy warming up by running frog cooling down by hiding behind a rock biloz to assig s gnimeW (s 00s yilsitini soi gnidism ylisihe9 (d ) A dog avoiding overheating by pantingarrow_forwardWhich of the following statements about metabolic heat is true? A. All animals produce metabolic heat B. Homeotherms rely on metabolic heat to maintain body temperature C. Animals that use metabolic heat to maintain body temperature are at lower risk of overheating than animals that do not use metabolic heat to maintain body temperature D. Relative to their body size, large animals lose more metabolic heat to the environment than small animals E. All of the above are truearrow_forward
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