BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 54, Problem 1A
If the
a.
b. population growth rates may decrease because individuals have trouble finding mates.
c. population rates may remain unchanged if the population was already well below the carrying capacity.
d. All of the choices are correct.
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Students have asked these similar questions
A 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 potential
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 emigration
Population growth that is dependent on the number of individuals
A. Arithmetic Growth
B. Carrying Capacity
C. Intrinsic Rate of Growth
D. Exponential Growth
Chapter 54 Solutions
BIOLOGY
Ch. 54.1 - Prob. 1LOCh. 54.1 - Prob. 2LOCh. 54.1 - Explain how species adapt to environmental...Ch. 54.2 - Prob. 1LOCh. 54.2 - Prob. 2LOCh. 54.3 - Prob. 1LOCh. 54.3 - Prob. 2LOCh. 54.3 - Prob. 3LOCh. 54.4 - Prob. 1LOCh. 54.4 - Prob. 2LO
Ch. 54.5 - Prob. 1LOCh. 54.5 - Discuss why populations cannot grow exponentially...Ch. 54.5 - Define carrying capacity and explain what might...Ch. 54.6 - Prob. 1LOCh. 54.6 - Prob. 2LOCh. 54.6 - Prob. 3LOCh. 54.7 - Prob. 1LOCh. 54.7 - Prob. 2LOCh. 54.7 - Prob. 3LOCh. 54 - Prob. 1DACh. 54 - Prob. 2DACh. 54 - Prob. 3DACh. 54 - Prob. 4DACh. 54 - Prob. 5DACh. 54 - Prob. 6DACh. 54 - Prob. 1IQCh. 54 - Prob. 2IQCh. 54 - Prob. 3IQCh. 54 - Prob. 4IQCh. 54 - Prob. 5IQCh. 54 - Prob. 6IQCh. 54 - Prob. 7IQCh. 54 - Prob. 8IQCh. 54 - Suppose experimenters artificially kept the hare...Ch. 54 - Prob. 10IQCh. 54 - Prob. 11IQCh. 54 - Prob. 12IQCh. 54 - Source-sink metapopulations are distinct from...Ch. 54 - The potential for social interactions among...Ch. 54 - When ecologists talk about the cost of...Ch. 54 - Prob. 4UCh. 54 - The difference between exponential and logistic...Ch. 54 - Prob. 6UCh. 54 - Which of the following is an example of a...Ch. 54 - If the size of a population is reduced due to a...Ch. 54 - In populations subjected to high levels of...Ch. 54 - In a population in which individuals are uniformly...Ch. 54 - Prob. 4ACh. 54 - Refer to figure 55.8. What are the implications...Ch. 54 - Prob. 2SCh. 54 - Refer to figure 55.14. Because the number of...Ch. 54 - Refer to figure 55.26. Would increasing the mean...
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- Which of the following is true of overexploitation? Select ALL that apply. a Only animals are affected by overexploitation. b Overfishing is due to modern fishing techniques that can take a lot of fish at once. c Amphibians are overexploited for food, medicine, and research. d Overexploitation means harvesting species at a rate slower than the population can recover. e Many birds are overcollected for the pet trade.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_forwardThe number of individuals that occur per unit area is calleda. populationb. population growth.c. carrying capacity.d. population densityarrow_forward
- 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 Aesarrow_forwardPopulation growth that adds the same number each year A. Arithmetic Growth B. Carrying Capacity C. Intrinsic Rate of Growth D. Exponential Growtharrow_forwardMaximum population an area can sustain A. Arithmetical Growth B. Carrying Capacity C. Intrinsic Rate of Growth D. Exponentialarrow_forward
- 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 ratearrow_forwardThe 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 backarrow_forwardAccording to the competitive exclusion principle,a. one species is always more competitive than another for a particular food source.b. competition excludes multiple species from using the same food source.c. no two species can occupy the same niche at the same time.d. competition limits the reproductive capacity of species.arrow_forward
- The 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_forwardIn this graph, the prey and predator populations periodically increase and decrease. This is an Prey Predator example of which type of population growth? Time A. exponential B. logistic C. stable D. cyclical Numberarrow_forwardWhich 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_forward
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