BROOKER BIOLOGY
5th Edition
ISBN: 9781307656152
Author: BROOKER
Publisher: MCG/CREATE
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Chapter 47, Problem 10TY
Summary Introduction
Introduction: Loss of body heat is an important process for living organism for the regulation of their body temperature. Heat loss is also a very important process for the regulation of
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Heat 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 same
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.
Which of the following is not a way that ectotherms can change their body temperatures? a. Sweating for evaporative cooling. b. Adjusting the timing of their daily activities. c. Seek out or avoid direct sunlight. d. Huddle in a group.
Chapter 47 Solutions
BROOKER 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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- Which of the following adaptations is only found in mammals and not other vertebrates: O a. Havinga complete double circulation of the blood. O b. Havinga heat insulating layer of fat under the skin. O c. Having lungs enclosed in a rib cage. O d. Having colour vision. O e. Generating heat by shivering.arrow_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_forwardThe skin of a fish produces mucus whose function is: O a. It repels predators. O b. It helps the sense organs to detect water vibrations. O c. It is a protection for the skin against salt water. O d. It reduces friction over the skin during swimming. O e. it protects the scale of the skin from damage.arrow_forward
- What is the most likely homeostatic response to an increase in environmental temperature? A. Blood vesse! Constriction 5. B. Producing sweat C. Shivering and muscle contraction D. Goose bump formation 6. What could happen due to a failure in homeostasis? A. The accumulation of waste products B. The loss of excess water from the body C. Maintaining excess levels of sugar in the body D. All of the above are potential outcomes of failure of homeostasis. 7. Which of the following is true when the body is under homeostasis? A. The body cannot generate its own heat in very cold conditions B. The body is under dynamic equilibrium C. The body is able to self-sustain without anything from the environment D. None of the o' ve *46arrow_forwardHow 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_forwardMatch the body temperature control item to the appropriate location in the negative feedback loop. Effector when variable is low Effector when variable is high Control center Sensor Controlled variable A. Muscles for shivering and goosebumps B. Nerves in skin C. Brain D. Sweat glands E. Temperaturearrow_forward
- Which of the following is NOT a mechanism to maintain the body’s internal temperature? A. Fluid has a high capacity for heat, so it requires a great deal of energy to raise its temperature. B. Warmed fluids from the body’s surface return to the body’s core, thus heating the body. C. Fluid acts as a coolant by increasing the blood flow from the warm body core to the peripheral tissue, thus cooling the body. D. Fluid is evaporated as sweat from the skin’s surface, thus cooling the body.arrow_forwardWhat is the primary advantage of maintaining a constant high body temperature? a. It saves us the energy from having to look for a comfortable temperature. b. It enables us to survive in warmer climates. c. It keeps the muscles ready for rapid, prolonged activity even in cold weather. d. Other things being equal, animals with a higher body temperature live longer than those with a lower temperature.arrow_forwardWhich of the following is not true for f negative feedback loops? A. In a negative loop, the response to the signal or stimulus decreases the original signal or stimulus. B. Negative feedback loops maintain homeostasis. C. Negative feedback loops are temporary. D. There are many more instances of negative feedback loops in the human body than positive feedback loops.arrow_forward
- Fever increases the body temperature and can induce chills to help cool the temperature back down. What other mechanisms are in place to regulate the body temperature?a. shiveringb. sweatingc. erection of the hairs on the arms and legsd. all of the abovearrow_forwardWhich of the following help mammals retain body heat? hair and body fat Obones and body fat bones and sweat glands hair and sweat glandsarrow_forwardWhich of the following are examples of maintaining homeostasis (more than one answer may be correct)? a. You develop diarrhea in response to contracting norovirus b. Sweating due to eating spicy food c. Kidneys removing excess fluid through urine d. Insulin is released in response to high blood sugar, causing cells to use more sugararrow_forward
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