Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135755785
Author: Gerald Audesirk, Teresa Audesirk
Publisher: PEARSON+
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Chapter 27, Problem 5MC
Summary Introduction
Introduction: A growth curve represents the population growth at each period of time. The growth curve can be demonstrated by two types of curve, such as J-shaped growth curve and sigmoid growth curve. J-shaped growth curve represent the unrestricted or exponential population growth, while sigmoid growth curve represents the slow or restricted growth of population.
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The point at which a population has reached the limit for which an area can support is known as…
Select one:
A. The upper limit
B. The carrying capacity
C. A die back
D. The laws of population growth
E. Environmental push back
Population growth that is dependent on the number of individuals
A. Arithmetic Growth
B. Carrying Capacity
C. Intrinsic Rate of Growth
D. Exponential Growth
Fly Population
4. The graph below represents the growth of a population of flies in a jar.
Which letter(s) indicates the part of the graph where biotic potential is the
only thing affecting the population? Choose all letters that apply.
B
Days
5. A population of mice has grown so rapidly that there are 2,400 individuals in an ecosystem that will support about
1,800 mice. The mouse population is most likely to
A. undergo a decline in size, possibly to a stable level at or below 1,800 individuals
B. have no effect on the population size of predators that feed on mice
C. continue to have a birth rate that equals the death rate
D. continue to increase
6. A population will always grow exponentially
A. if it is limited only by density dependent factors.
B. if there are no limiting factors
C. if it shows logistical growth
Number of Aes
Chapter 27 Solutions
Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
Ch. 27.1 - Prob. 1CSCCh. 27.1 - Prob. 1HYEWCh. 27.1 - The Return of the Elephant Seals Female elephant...Ch. 27.1 - Prob. 1CYLCh. 27.1 - describe how the growth rate interacts with...Ch. 27.1 - Prob. 3CYLCh. 27.2 - What factors might make these population data...Ch. 27.2 - Prob. 2TCCh. 27.2 - What benefits does mass emigration give to animals...Ch. 27.2 - Prob. 1CSC
Ch. 27.2 - Prob. 1CYLCh. 27.2 - Prob. 2CYLCh. 27.2 - Prob. 3CYLCh. 27.3 - Prob. 1CYLCh. 27.3 - Prob. 2CYLCh. 27.3 - Prob. 3CYLCh. 27.4 - Prob. 1CYLCh. 27.4 - Prob. 1CTCh. 27.5 - Prob. 1TCCh. 27.5 - Prob. 2TCCh. 27.5 - Prob. 3TCCh. 27.5 - describe the advances that have allowed...Ch. 27.5 - explain why rapid population growth continues...Ch. 27.5 - Prob. 3CYLCh. 27.5 - Prob. 4CYLCh. 27 - Prob. 1MCCh. 27 - Prob. 2MCCh. 27 - Prob. 3MCCh. 27 - Prob. 4MCCh. 27 - Prob. 5MCCh. 27 - Prob. 1FIBCh. 27 - The type of growth that occurs in a population...Ch. 27 - Prob. 3FIBCh. 27 - The type of spatial distribution likely to occur...Ch. 27 - Prob. 5FIBCh. 27 - Prob. 1RQCh. 27 - Prob. 2RQCh. 27 - Draw, name, and describe the properties of a...Ch. 27 - Prob. 4RQCh. 27 - What is logistic population growth? What is K?Ch. 27 - Prob. 6RQCh. 27 - Distinguish between populations showing concave...Ch. 27 - Prob. 8RQCh. 27 - Prob. 9RQCh. 27 - Prob. 1ACCh. 27 - Prob. 2AC
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- Carrying capacity is defined as a species’ average population size in an environment. Which of the following resulted to exceeding carrying capacity in a particular environment? a. increasing birthrates, decreasing deathrates, increasing immigration and no emigration takes place b. increasing birthrates, decreasing deathrates, decreasing immigration and no emigration takes place c. increasing birthrates, decreasing deathrates, decreasing immigration and increasing emigration d. decreasing birthrates, increasing deathrates, increasing immigration and increasing emigrationarrow_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_forwardMaximum population an area can sustain A. Arithmetical Growth B. Carrying Capacity C. Intrinsic Rate of Growth D. Exponentialarrow_forward
- Limiting factors caused by natural disaster tend to be which of the following? A. Density-balanced B. Density-dependent C. Density-independentarrow_forwardPopulation growth that adds the same number each year A. Arithmetic Growth B. Carrying Capacity C. Intrinsic Rate of Growth D. Exponential Growtharrow_forwardA population will most likely deplete the resources of its environment if the population . A. grows beyond carrying capacity B. must share resources with many other species C. moves frequently from one habitat to another D. has a low reproductive potentialarrow_forward
- TypeIII survivorship curve indicates:a.low juvenile mortality and high mortality in older adults.b.high juvenile mortality and low mortality in older adults.c.low juvenile mortality and low mortality in older adults.d.high juvenile mortality and high mortality in older adults.e.equal chance of dying at any age.arrow_forwardWhich of the following is the term for the upward growth of a population? Select one: A. Predator-prey interactions B. Biotic potential C. Abiotic limitations D. Environmental resistance E. Transcendent growtharrow_forwardInplants, “self-thinning” refers to reduction in:a.the biomass of an individual in response to competition.b.the total biomass of a population in response to competition.c.both population density and population biomass in response tocompetition.d.population density in response to competition, as population biomassincreases.e.population density due to grazing by herbivores.arrow_forward
- Which of the following would not be an example of density-deperident factors regulating population size? The number of possible territories for robins is limited; thus when population sizes are high, a lower proportion of individuals can produce offspring. A. O B. In conditions of overcrowding, some desert pupfish living in ponds will emigrate to other ponds if given the opportunity. C.Predation on mosquitofish is high, regardless of population size. D. In conditions of high density, mice are more susceptible to mortality from heat stress. E. In a habitat patch with a high density of muskrats, a disease spreads more rapidly and results in higher mortality.arrow_forwardExponential growth often occurs whena. a population nears carrying capacity.b. a population exceeds carrying capacity.c. organisms invade a new habitat.d. the birth rate exceeds the death rate for a singlegeneration.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_forward
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