Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 32.1, Problem 2MC
Summary Introduction
To explain:
The three factors that affect an animal’s metabolic rate.
Concept introduction:
The quantity of energy utilized by the body of an animal over a given time is known as the metabolic rate of the animal. The measurement of metabolic rate is done as oxygen consumption per unit time or carbon dioxide produced per unit time or energy produced per unit time.
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Students have asked these similar questions
Consider the following graph with metabolic rate on the left y-axis (grey line) and
mass-specific metabolic rate on the right y-axis (black line):
Elephant
10,000
Horse
10,000
Human
1,000
1,000
Dog
Rabbit
100
100
White rat
10
10
White mouse
0.1
1.0
10
100
1,000
Body Mass (kg)
kcal/day
kcal/kg/day (metabolic rate)
Mention and briefly explain three factors that affect the metabolic rate of humans.
Explain how you would measure the metabolic rateof an animal.
Chapter 32 Solutions
Biology: Concepts and Investigations
Ch. 32.1 - What are two reasons that animals must eat?Ch. 32.1 - Prob. 2MCCh. 32.1 - How does the mechanical breakdown of food speed...Ch. 32.1 - Define the terms herbivore, carnivore,...Ch. 32.2 - Prob. 1MCCh. 32.2 - Prob. 2MCCh. 32.2 - Compare and contrast the digestive systems of an...Ch. 32.3 - Prob. 1MCCh. 32.3 - Describe the functions of saliva, teeth, and the...Ch. 32.3 - Prob. 3MC
Ch. 32.3 - Prob. 4MCCh. 32.3 - Prob. 5MCCh. 32.3 - Prob. 6MCCh. 32.3 - Prob. 7MCCh. 32.4 - Prob. 1MCCh. 32.4 - Describe the relationship of body weight to...Ch. 32.4 - Prob. 3MCCh. 32.4 - Prob. 4MCCh. 32.5 - How did the researchers analyze the bacterial...Ch. 32.5 - Prob. 2MCCh. 32 - Prob. 1MCQCh. 32 - Prob. 2MCQCh. 32 - Prob. 3MCQCh. 32 - Prob. 4MCQCh. 32 - Prob. 5MCQCh. 32 - Prob. 1WIOCh. 32 - Prob. 2WIOCh. 32 - Prob. 3WIOCh. 32 - Biologists estimate that carnivores assimilate 90%...Ch. 32 - Prob. 5WIOCh. 32 - Prob. 6WIOCh. 32 - Prob. 7WIOCh. 32 - Prob. 8WIOCh. 32 - Prob. 9WIOCh. 32 - Prob. 10WIOCh. 32 - Prob. 11WIOCh. 32 - Refer to figure 32.22 and the chapter content to...Ch. 32 - Prob. 2PITCh. 32 - 3. How would removing the gallbladder affect the...
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- Briefly discuss why the mass specific metabolic rate of an elephant is much lower than that of a mouse.arrow_forwardGiven the shown relationships, which statement is true? A rabbit has a lower mass-specific metabolic rate than a horse A rabbit has a higher mass-specific metabolic rate than a horse O It is impossible to tell from this graph whether a rabbit or a horse has a higher metabolic rate or higher mass-specific metabolic rate A rabbit has a higher metabolic rate than a horsearrow_forwardone anotn The hypothesis is that since the basal metabolic rate of birds and mammals differ from one another based on their mass then the length of mammals and birds will also influence the change in their basal metabolic rate.arrow_forward
- Calculate the resting metabolic rate in units of kcal day-1 kg body-1 for a 60 kg nonathletic male and a 160 kg nonathletic male. Make a reasonable hypothesis as to why there is a differencearrow_forwardAthletes often use whey products to prepare for competition because whey proteins: Group of answer choices are mild stimulants that produce alertness and reduce reaction time provide all the essential amino acids needed to build new muscle tissue elevate testosterone and estrogen in the blood of male and female athletes, respectively produce rapid weight loss by burning excess body fat and sparing glycogen produce free radicals that promote many of the body's beneficial responses to exercisearrow_forwardDiscuss that an adult animal consumed 50 kcal of food. 5 kcal have been excreted in urine and feces. Where did the remaining 45 kcal eventually go?arrow_forward
- Explain briefly the physiological reason for this survival rule: When left in an island with little or no freshwater, never eat solid food in large volume; eat only small portions at a time.arrow_forwardAn average adult cheetah has a metabolic mass of 44,010 grams and a resting metabolic rate of 61.77 joules per second. Based on these data, would you characterize the cheetah as an ectotherm or endotherm? Support your answer with evidence from the graph.arrow_forwardAn animal’s inputs of energy and materials would exceedits outputs(A) if the animal is an endotherm, which must always take inmore energy because of its high metabolic rate.(B) if it is actively foraging for food.(C) if it is growing and increasing its mass.(D) never; due to homeostasis, these energy and materialbudgets always balancearrow_forward
- a) In what two ways (molecules) do animals store energy? b) Where is each molecule type stored? c) Which is long-term? d) Which is used first during exercise?arrow_forwardWhat are the major energy stores of the body, that are used as substrates for fuel during exercise? Be specific.arrow_forwardThis is for Animal Physiology. Describe the difference in total metabolic rate and weight-specific metabolic rate. For what types of biological/physiological studies are these rates each more useful?(Which is more useful when comparing animals of varying sizes?)arrow_forward
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