Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 19, Problem 6SQ
Summary Introduction
Introduction:
The Human population increasing day by day, the growth rate of human population rising like a rocket in the sky since the industrial revolution. Currently the world population is 7.6 billion. One of the main reason of increasing
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Growth rate of a population is determined by: A. The increase in the number of people per unit of time. B. The number of people being born minus the number of people dying. C. The number of children living per each two adults. D. The number of people times the number of children each one has per year.
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?
A.
The population would continue to increase at the same rate, due to constant food supplies.
B.
The population would increase more rapidly, due to advances in technology.
C.
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.
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 curve
Chapter 19 Solutions
Campbell Essential Biology (7th Edition)
Ch. 19 - What two values would you need to know to figure...Ch. 19 - If members of a species produce a large number of...Ch. 19 - Prob. 3SQCh. 19 - Prob. 4SQCh. 19 - Prob. 5SQCh. 19 - Prob. 6SQCh. 19 - According to data on ecological footprints, a. the...Ch. 19 - The mussel secretes a combination of molecules...Ch. 19 - The lynx is one of the main predators of the...Ch. 19 - Life history traits, like anatomical features, are...
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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
- Why is the world population increasing? Select one: a. Women in developing countries are continuing to have more children, thereby increasing the global fertility rate. b. Advances in medical technology are allowing the world population to live longer and decrease infant mortality. c. The global birth rate is continuing to surpass the death rate. d. A significant portion of the global population is getting older and retiring earlier.arrow_forwardIf the animal population increased, the amount of atmospheric carbon would: A. increase B.decrease C.stay the samearrow_forwardWhich of the following implies the greatest built-in momentum for population growth? a. a large number of people under age 34 b. a large number of people age 29–44 c. a large number of people over the age of 45 d. a large number of people under age 15 e. a large population sizearrow_forward
- When an environment has reached its carying capacity for a certain population, which of the following is true? A. Growth and immigration rate is equal to death and emigration rate. B. Growth and immigration rate is greater than death and emigration rate. C. Growth and immigration rate is less than death and emigration rate. D. Growth rate is exponential. Answer Why do you believe this is the correct answer.arrow_forwardPopulation growth that adds the same number each year A. Arithmetic Growth B. Carrying Capacity C. Intrinsic Rate of Growth D. Exponential Growtharrow_forwardUse this graph of the idealized exponential and logistic growth curves to complete the following. a. Label the axes and curves on the graph.b. What does the dotted line represent? c. For each curve, indicate and explain where population growth is the most rapid. d. Which of these curves better represents global human population growth?arrow_forward
- The concept of development should be broadened to include more than just one factor. briefly Discuss the factors that can be used to describe development in a nation?d) in brief Outline why the culture of a country might influence the costs, risks and benefits of doing business in that country.arrow_forwardHuman beings, like other K-selected species live close to carrying capacity and usually have logistic growth rates. However, population growth for humans has exhibited exponential growth for over the last 350 years (since the Industrial Revolution). Which of the following can explain this phenomenon? Select one: a. Humans have been able to achieve their biotic potential. b. Humans have increased environmental resistance by limiting density-dependent factors c. Humans have been able to continually increase their carrying capacity. d. Humans have decreased environmental resistance by increasing density-independent limiting factors.arrow_forwardPopulation growth that is dependent on the number of individuals A. Arithmetic Growth B. Carrying Capacity C. Intrinsic Rate of Growth D. Exponential Growtharrow_forward
- Which of the following statements about exponential growth is FALSE? O a. Increases in the size of the population do not affect per capita rate of increase (r). Ca. b. Exponential growth adds a constant number of individuals per unit time to a population as N gets larger. C. In reality, it is not possible for exponential population growth to continue indefinitely. d. In an exponentially growing population, the % increase of the population per unit * time doesn't depend on the number of individuals (N) in the population.arrow_forwardAccording to the Enemy Release Hypothesis: a. Predators and pathogens experience population increase when invasive species become extinct b. Invasive species allow other species in the habitat to escape their normal enemies c. Predators and pathogens have significantly greater ability to invade other habitats than any other organisms d. Invasive species perform well in foreign habitats as they because not face their normal enemies e. Invasive species replace the native enemies of resident speciesarrow_forwarda) The region numbered 3 on the graph represents the __A__ brought on by the limiting factors called __B___. Select one: a. A B Carrying capacity Environmental resistance b. A B Environmental resistance Exponential growth c. A B Exponential growth Lag phase d. A B Lag phase Carrying capacity b) The region of the graph that illustrates the exponential growth of a population and the type of graph illustrated are, respectively: Select one: a. Exponential Growth Type of Graph 4 S-shaped b. Exponential Growth Type of Graph 2 Logistic c. Exponential Growth Type of Graph 3 J-Shaped d. Exponential Growth Type of Graph 1 Exponential c) What do the regions numbered 2 and 4 on the graph represent? Select one: a. Region #2 Region #4 Immigration and birth rate is less than emigration and death rate. Emigration and death rate is less than immigration and birth rate. b. Region #2…arrow_forward
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