Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 52, Problem 2TYK
Summary Introduction
Introduction:
Population on earth is very vast and it comprises all individuals including flora and fauna. The estimation of species is done depending upon the size, age, and other factors. These features help in classifying the organism in a given population.
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Which of the following is an example of an ecological population?
a)All organisms living in a forest
b)All mammals in a forest
c)A family of deer within a forest
d)All members of a single deer species in a forest
How does the study of population ecology help us understand why some populations grow, some remain stable, and others decline?
a.) Why has human population growth, which increased exponentially for centuries, started to decline in the past few decades?
b.) What is carrying capacity? Do you think carrying capacity applies to people as well as to other organisms? Why or why not?
When discussing population size, we are referring to
a.
the total number of individuals in a population.
b.
the size of the geographic region in which a population is found.
c.
the number of individuals in a population divided by the area of the region covered by the population.
d.
the number of individuals in a population multiplied by the area of the region covered by the population.
e.
the specific type of environment in which a population can exist.
Chapter 52 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 52.1 - Prob. 1SBCh. 52.1 - Prob. 2SBCh. 52.2 - Prob. 1SBCh. 52.2 - Prob. 2SBCh. 52.3 - To what two broad categories of activities do...Ch. 52.3 - Why do fecundity and the amount of parental care...Ch. 52.4 - How does the prediction of the exponential model...Ch. 52.4 - Prob. 2SBCh. 52.4 - Prob. 3SBCh. 52.5 - Prob. 1SB
Ch. 52.5 - Prob. 2SBCh. 52.6 - Prob. 1SBCh. 52.6 - Prob. 2SBCh. 52 - Prob. 1TYKCh. 52 - Prob. 2TYKCh. 52 - Prob. 3TYKCh. 52 - The model of exponential population growth...Ch. 52 - Prob. 5TYKCh. 52 - One reason why human populations have been able to...Ch. 52 - Prob. 7TYKCh. 52 - A population of 1,000 individuals experiences 462...Ch. 52 - Prob. 9TYKCh. 52 - Prob. 10TYKCh. 52 - Prob. 11TYKCh. 52 - Prob. 12TYKCh. 52 - Discuss Concepts Many city-dwellers have noted...Ch. 52 - Prob. 15TYKCh. 52 - Prob. 1ITD
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- Population _______________ is the number of individuals of a species per unit of habitat area or volume at a given time. (a) dispersion (b) density (c) survivorship (d) age structure (e) demographicsarrow_forwardWhich of the following methods will provide information to an ecologist about both the size and density of a population? a. mark and recapture b. mark and release c. quadrat d. life tablearrow_forward_______ is a density-independent factor that influences population growth. a. Resource competition c. Predation b. Infectious disease d. Harsh weatherarrow_forward
- A population has 1000 juvenile individuals, 100 young adult individuals, and 10 older adult individuals. This population is likely…? Group of answer choices a, increasing b. decreasing c. stable d. no way to tellarrow_forwardA population is correctly defined as having which of the following characteristics? CHECK ALL THAT COULD APPLY A)individuals belonging to the same species B)possessing a constant and uniform density and dispersion C)inhabiting the same general areaarrow_forwardWhich of the following is an example of a density-dependent population factor? Select one: A. An infectious disease B. A hurricane C. A forest fire caused by a lightning strike D. A natural disaster E. A forest fire started by arsonarrow_forward
- The size of the population of a species in an ecosystem is determined by the ___________ factors and _____________ factors.arrow_forwardClassify each situation as density-dependent or density-independent AND explain your reasoning. a. Lynx prey on snowshoe hares. An increase in the snowshoe hare population causes an increase in the lynx population. b. Increase in the water temperature causes many aquatic organisms to die.arrow_forwardStudy the graph and answer the following questions. a. What type of population ecology is displayed in the graph? How do you know? b. What may have occurred at Point A in on the graph? c. What is the estimated carrying capacity of the moose population?arrow_forward
- The observation that members of a population are uniformlydistributed suggests that(A) resources are distributed unevenly.(B) the members of the population are competing for access toa resource.(C) the members of the population are neither attracted to norrepelled by one another.(D) the density of the population is lowarrow_forwardWhy are population sizes not constant in biology?arrow_forwardHow does the study of population ecology help us understand why some populations grow, some remain stable and others decline? The human population has grown as we have increased our global carrying capacity. In your opinion, can the global carrying capacity continue to increase/ Explain your answer? Why has human population growth, which increased exponentially for centuries, started to decline in the past few decades?arrow_forward
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