EP CAMPBELL BIO.IN FOCUS AP-MOD.MASTER.
3rd Edition
ISBN: 9780137453092
Author: Urry
Publisher: SAVVAS L
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Textbook Question
Chapter 33.5, Problem 2CC
The energy required to maintain each gram of body mass is much greater for a mouse than for an elephant. What can you conclude about
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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)
Briefly discuss why the mass specific metabolic rate of an elephant is much lower than that of a mouse.
Given 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 horse
Chapter 33 Solutions
EP CAMPBELL BIO.IN FOCUS AP-MOD.MASTER.
Ch. 33.1 - An animal requires 20 amino acids to make...Ch. 33.1 - Prob. 2CCCh. 33.1 - WHAT IF? if a zoo animal eating ample food shows...Ch. 33.2 - Prob. 1CCCh. 33.2 - In what sense are nutrients from a recently...Ch. 33.2 - Prob. 3CCCh. 33.3 - How does swallowed food reach the stomach of a...Ch. 33.3 - Explain why a proton pump inhibitor, such as the...Ch. 33.3 - Prob. 3CCCh. 33.4 - Prob. 1CC
Ch. 33.4 - Prob. 2CCCh. 33.4 - Prob. 3CCCh. 33.5 - Prob. 1CCCh. 33.5 - The energy required to maintain each gram of body...Ch. 33.5 - Prob. 3CCCh. 33 - The mammalian trachea and esophagus both connect...Ch. 33 - Which organ is incorrectly paired with its...Ch. 33 - Which of the following is not a major activity of...Ch. 33 - Prob. 4TYUCh. 33 - Prob. 5TYUCh. 33 - If you were to jog 1 km a few hours after lunch,...Ch. 33 - Prob. 7TYUCh. 33 - FOCUS ON EVOLUTION The human esophagus and trachea...Ch. 33 - Prob. 9TYUCh. 33 - Prob. 10TYU
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- One food calorie = 1 X 103 calories = 1 kcal. A typical adult ingests about 2200 food calories per day. (A) show that an adult uses energy at about the same rate as a 100-W light bulb. {B) Calculate the total annual metabolic energy expenditure of the 6 X 109 people on the earth and compare it with the 4 X 1020 J per year energy used by the world economy. Assume all persons consume 2200 food calories per day, which is obviously incorrect.arrow_forwardBasal Metabolic Rate (BMR) is the amount of energy your body uses to function at rest in a day. This includes the energy required to keep the heart beating, the lungs breathing, the kidneys functioning, and the body temperature stabilized. Approximately 70 percent of an individual’s energy expenditure goes into basal metabolism. The other 30 percent goes into digestion and absorption of nutrients (10%) and physical movement (about 20%). Calculate your basal metabolic rate in Calories using the appropriate equation here: Females: BMR = 655 + (9.6 × wt(kg)) + (1.8 × ht(cm)) – (4.7 × age(yrs)) Males: BMR = 66 + (13.7 × wt(kg)) + (5 × ht(cm)) – (6.8 × age(yrs)) Calculate how many Calories you burn overall in a day.arrow_forwardCalculate 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_forward
- Why would a larger surface-area-to-volume ratio decrease metabolicefficiency?arrow_forwardExplain three factors that affect an animal’s metabolic rate.arrow_forwardTable 8.2. Measurement of the Metabolic Rate of a Frog at Different Environmental Temperatures. Metabolic Rate Metabolic Rate Packed in Ice (5°C) Room Temperature (20°C) Frog #1 0.05 0.30 ml 02/ hour / gm Frog #2 0.03 0.28 Frog #3 0.04 0.25 Procedure Calculate the average metabolic rate for the three frogs at each of the two temperatures. Put a dot on the graph in Figure 8.11 for each of the average values. Draw a line between those two dots. Write the word ectotherm on the line.arrow_forward
- Discuss 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_forwardMention and briefly explain three factors that affect the metabolic rate of humans.arrow_forwardWhich 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_forward
- With 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_forwardSkeletal muscles account for approximately 43% of the typical body mass. At rest, they use about 18% of the BMR. Of the total energy burned by the skeletal muscle, only 25% is used for work, and this is the muscular efficiency. What happens to the remaining 75% of energy? Choose the best answer. It is reabsorbed and stored for later use. It is transferred as electrical energy from the muscle to muscle. It is converted to heat to warm the body. It is used to make more ATP.arrow_forwardBelow are the results of an experiment to examine the effect of temperature on metabolic rate in mice. Metabolic Rate in Mice at 10°C and 22°C 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 10 degrees C 22 degrees C Chamber Temperature (°C) What is the dependent variable in the experiment? What is the independent variable in this experiment? What is the relationship between temperature and metabolic rate? Metabolic rate (cal/gram/min)arrow_forward
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What is Metabolism?; Author: Stated Clearly;https://www.youtube.com/watch?v=nRq6N5NGD1U;License: Standard youtube license