Campbell Biology:conc.(ll)-w/access
9th Edition
ISBN: 9780134784427
Author: Reece
Publisher: PEARSON
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Chapter 36, Problem 7TYK
Which of the following represents a demographic transition?
a. A population switches from exponential to
b. A population reaches a fertility rate of zero.
c. There are equal numbers of individuals in all age-groups.
d. A population switches from high birth and death rates to low birth and death rates.
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Which of the following is a factor that would decrease the size of a population? A. Death rate is higher than the birth rate B. Abundant food supply C. Immigration D. Birth rate is higher than the death rate
The graph shows the worldwide human population from 1950 to 2050. Data for the future years are predictions.
According to the ideas of Thomas Malthus, what are the predicted changes to the human population after 2050?
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The population would continue to increase at the same rate, due to constant food supplies.
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Eventually the population would stop increasing or would decrease, due to lack of food and living space.
D.
Eventually the population would decrease to zero, because of war, famine, or disease.
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Chapter 36 Solutions
Campbell Biology:conc.(ll)-w/access
Ch. 36 - Use this graph of the idealized exponential and...Ch. 36 - The graph below shows the demographic transition...Ch. 36 - Prob. 3TYKCh. 36 - To figure out the human population density of your...Ch. 36 - The term (K N)/K a. is the carrying capacity for...Ch. 36 - With regard to its rate of growth, a population...Ch. 36 - Which of the following represents a demographic...Ch. 36 - Skyrocketing growth of the human population...Ch. 36 - According to data on ecological footprints, a. the...Ch. 36 - What are some factors that might have a...
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- Japan currently exhibits which of the following age-structures (population profiles)? A. the column population profile B. the inverted pyramid population profile C. the bulge population profile D. the pyramid population profile E. all of the abovearrow_forwardWhich of the following stages of human population growth was characterized by extremely slow growth rates (about 0.0001% per year), and ranged from only 10,000 to over 5 million individuals? A. stage I (hunter/gatherer societies, without agriculture or machine industries) B. stage I (agricultural societies, without machine industries) C. stage III (industrial societies, but without widespread computer technology) D. stage IV (modern societies, with computer technology) E. all of the abovearrow_forwardThree characteristics of a population are the birth rate, growth rate, and death rate. How has each been affected by (a) modern medicine, (b) modern agriculture, and (c) modern industryarrow_forward
- What measurement could you use to best determine if a population is better adapted to its environment for their particular life pattern? a Increased population growth rate b Zero population growth c Decreased death rates d Increased birth ratesarrow_forwardWhat do bioarchaeologists do? A. They identify population trends by looking at skeletal material. B. They only look at ancient artifacts to study past populations. C. None of these are correct D. They identify population trends by looking at prehistoric living structures.arrow_forwardWhich statement about population growth is true? A. Population growth models do not apply to humans. B. Population growth can be exponential for only as long as environmental conditions are favorable. C. Population growth can continue indefinitely. D. Population growth of field samples always has a λ of approximately 1.arrow_forward
- The graph shows the world human population size and growth rate over time. How are the two sets of data related to each other? What does studying one data set tell you about the other?arrow_forwardWhat do bioarchaeologists do? A. None of these are correct B. They identify population trends by looking at prehistoric living structures. C. They identify population trends by looking at skeletal material. D. They only look at ancient artifacts to study past populations.arrow_forwardA population that did not grow in close relation to the amount of resources available in the environment, and dramatically overshot the carrying capacity, would experience: A. logistic growth, such as shown on the S-shaped curve B. exponential growth, such as shown on the J-shaped curve C. unpredictable growth, such as shown on the ?-shaped curve D. exponential growth, such as shown on the S-shaped curve E.logistic growth, such as shown on the J-shaped curvearrow_forward
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