CAMPBELL BIOLOGY SFC PACKAGE >CUSTOM<
10th Edition
ISBN: 9781269941860
Author: Campbell
Publisher: PEARSON C
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Textbook Question
Chapter 53, Problem 2TYU
A population's
- (A) may change as environmental conditions change.
- (B) can be accurately calculated using the
logistic growth model. - (C) increases as the per capita
population growth rate decreases. - (D) can never be exceeded.
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Do you believe the world human population will reach its carrying capacity in the next 50 years? Why or why not? Explain your answer in terms of some of the concepts covered in the lab, taking into account different factors that may change population growth and/or the world’s carrying capacity.
A 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 curve
According to Worldometers, in late November, 2018, the U.S. population was 327,726,061 and the world population was estimated at 7,666,602,725. Considering those numbers, do you think the United States is in a population crisis? Do we have enough land and resources to support a continuous increase in population? Should we, as a nation, concentrate on controlling our population or controlling resource use? Why, or why not?
Chapter 53 Solutions
CAMPBELL BIOLOGY SFC PACKAGE >CUSTOM<
Ch. 53.1 - DRAW IT Each female of a particular fish species...Ch. 53.1 - Prob. 2CCCh. 53.1 - Prob. 3CCCh. 53.2 - Explain why a constant per capita rate of growth...Ch. 53.2 - Prob. 2CCCh. 53.2 - Prob. 3CCCh. 53.3 - Explain why a population that fits the logistic...Ch. 53.3 - WHAT IF? Given the latitudinal differences in...Ch. 53.3 - Prob. 3CCCh. 53.4 - Prob. 1CC
Ch. 53.4 - Prob. 2CCCh. 53.4 - Prob. 3CCCh. 53.5 - Prob. 1CCCh. 53.5 - WHAT IF? Suppose you were studying a species that...Ch. 53.5 - Prob. 3CCCh. 53.6 - How does a human population's age structure affect...Ch. 53.6 - Prob. 2CCCh. 53.6 - Prob. 3CCCh. 53 - Gray whales (Eschrichtius robustus) gather each...Ch. 53 - Suppose one population has an r that is twice as...Ch. 53 - Prob. 53.3CRCh. 53 - Prob. 53.4CRCh. 53 - Density-dependent factors regulate population...Ch. 53 - The human population is no longer growing...Ch. 53 - Population ecologists follow the fate of same-age...Ch. 53 - A population's carrying capacity (A) may change as...Ch. 53 - Scientific study of the population cycles of the...Ch. 53 - Analyzing ecological footprints reveals that (A)...Ch. 53 - Prob. 5TYUCh. 53 - The observation that members of a population are...Ch. 53 - According to the logistic growth equation...Ch. 53 - Prob. 8TYUCh. 53 - During exponential growth, a population always (A)...Ch. 53 - Which of the following statements about human...Ch. 53 - Prob. 11TYUCh. 53 - Prob. 12TYUCh. 53 - Prob. 13TYUCh. 53 - Prob. 14TYUCh. 53 - WRITE ABOUT A THEME: INTERACTIONS In a short essay...Ch. 53 - SYNTHESIZE YOUR KNOWLEDGE Locusts (grasshoppers in...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Match each term with its most suitable description. _____ carrying capacity a. maximum rate or increase per individual under ideal conditions _____ exponential growth b. population growth plots out as an S-shaped curve _____ biotic potential c. maximum number or individuals sustainable by the resources in a given environment _____ limiting factor d. population growth plots out as a J-shaped curve _____ logistic growth e. essential resource that restricts population growth when scarcearrow_forwardHow would you describe human population growth for the past 200 years. When determining Earth’s carrying capacity for humans, why is it not enough to just consider human numbers? What will happen if there is a rapid growth in human population? What solutions do you have in mind to limit the human population growth?arrow_forwardAs a population size approaches (i.e. is almost equal to) carrying capacity for a certain population, which of the following outcomes is predicted by the logistic growth equation? a. The population growth rate will not change b. The population growth rate will approach zero c. The population size will increase exponentially d. The carrying capacity of the environment will increasearrow_forward
- A population that grew in close relation to the amount of resources available in the environment, would experience A. exponential growth, such as shown on the J-shaped curve B. logistic growth, such as shown on the S-shaped curve C. unpredictable growth, such as shown on the ?-shaped curve D.logistic growth, such as shown on the J-shaped curve E. exponential growth, such as shown on the S-shaped curvearrow_forwardThe global human population has surpassed 7 billion, far exceeding our population’s size throughout our history on Earth. Name some specific means by which we have apparently raised Earth’s carrying capacity for our species. Do you think we can continue to raise our carrying capacity? How might we do so? What limiting factors exist for the human population today? Might Earth’s future carrying capacity for us decrease? Why or why not?arrow_forwardDo you believe the world human population will reach its carrying capacity in the next 50 years? Why or why not?arrow_forward
- If a population growing exponentially double in size in 3 years,what is the intrinsic rate of increase® of the population?arrow_forwardPopulation growth is exponential for the human population. It is an example of a positive feedback cycle where with each child born, the potential number of parents increases in the future. What is the most logical conclusion as to when the human population will reach its carrying capacity? A. When a regulating factor exists that keeps the population at equilibrium B. When feedback mechanisms kick in and population growth declines below carrying capacity C. When equilibirum is reached D. When density-dependent factors come into play and population levels start to decline ❌arrow_forwardA population is expected to grow exponentially after a severe population bottleneck. when the population size is exceeding the carrying capacity of the environment. when the population size is close but below the carrying capacity of the environment. when the birth rate changes as a function of the populationarrow_forward
- How does the logistic growth model of population growth differ from the exponential growth model? A. The graph of the exponential model is S-shaped. B. The logistic growth model shows an unrestricted growth rate. C. The logistic growth model considers the environment's carrying capacity. D. The exponential growth model shows a restricted growth rate.arrow_forwardFor the city of London, England, how large is the supply area required to provide the input resources? How many earths would it take to supply everyone on the planet if we all consumed resources at the same rate as Londoners?arrow_forwardThe carrying capacity (K) is the maximum population size that can be supported or sustained by a given environment. Which of the following statements about the carrying capacity is NOT true? Select one: a. We can think of K as some "average" value that a given environment can support. b. Environmental fluctuations cause the carrying capacity to fluctuate over time. c. Once a population reaches its carrying capacity, the size of the population remains constant. d. When a population overshoots K, individuals die due to lack of resources.arrow_forward
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