Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Name two density-dependent and two densityindependent factors that can limit the size of a population.
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- explain why a population that fits the logistic growthmodel increases more rapidly at intermediate size thanat relatively small and large sizesarrow_forwardTo define: Equilibrium population and also describe the conditions under which a population is expected to remain at equilibrium.arrow_forwardWhat is the difference between the exponential (J-shaped) and the logistic growth model (s-shaped)? Select all that apply 0 Small populations grow more slowly in the logistic model because it assumes that there are fewer individuals capable of producing offspring The logistic growth model reaches and inflection point because resources can become limiting in large populations The exponential growth model assumes that there are no limitations of resources on a population no matter how large it gets Carrying capacity is only a component in the exponential growth model, not in the logistic growth model if populations were a metaphor for money, and you wanted to maximize your return on investment, you would choose the logistic growth modelarrow_forward
- What’s the difference between density dependent and density independentlimiting factors?arrow_forwardHow can the "straight line instinct" lead to problems? Explain by giving two examples, one about human population growth and one that is not about human population growth.arrow_forwardList any three important characteristics of a population and explain.arrow_forward
- Why is the minimum viable population size smaller for a geneticallydiverse population than for a less genetically diverse population?arrow_forwardtell whether the curves for the different cohorts are different from one another.If so, what might have caused the differences? In addition, did you notice any difference in the curves for males and females? If so, what might havecaused the differences?Speculate about the future if: 1) health care costs continues to increase, and 2) medical advances continueand most diseases and infant mortality are eliminated.How can this method be used to understand or manage natural populations?arrow_forwardExplain the concept of trophy’s levels, including which types of organisms are found at each level, and why is this concept relevant to population dynamics?arrow_forward
- What is the value of being able to estimate thre size of a population? (For example, the Bluefin Tuna Population)? White- tail Deer)?arrow_forwardContrast density-dependent versus density-independent population processes.arrow_forwardThe effective population size is often much smaller than the basic number of individuals in a population. List three main factors that can cause a reduction in the effective population size, and briefly describe each of these factorsarrow_forward
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