Biology - Study Guide
8th Edition
ISBN: 9780321501561
Author: Martha R. Taylor
Publisher: PEARSON EDUCATION (COLLEGE)
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Textbook Question
Chapter 53, Problem 4TYK
The middle of the S-shaped growth curve in the
- a. shows that at middle densities, individuals of a population do not affect each other.
- b. is best described by the term rN.
- c. is the point where birth rate starts to decline.
- d. is the period when the
population growth rate is the highest.
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Students have asked these similar questions
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
Use 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?
As a population size approaches (i.e. is almost equal to) carrying capacity for a certain population, which of the following outcomes is predicted by the logistic growth equation?
a.
The population growth rate will not change
b.
The population growth rate will approach zero
c.
The population size will increase exponentially
d.
The carrying capacity of the environment will increase
Chapter 53 Solutions
Biology - Study Guide
Ch. 53 - In a mark-recapture study, an ecologist traps,...Ch. 53 - Prob. 2IQCh. 53 - Define r. How does r relate to exponential growth?Ch. 53 - Label the following exponential and logistic...Ch. 53 - Prob. 5IQCh. 53 - a. List some density-dependent factors that may...Ch. 53 - What do the age structure pyramids in Figure 53.24...Ch. 53 - Create a concept map to organize your...Ch. 53 - What is the best collection of life history traits...Ch. 53 - In an area with a heterogeneous distribution of...
Ch. 53 - Which of the following statements about life...Ch. 53 - Prob. 3TYKCh. 53 - The middle of the S-shaped growth curve in the...Ch. 53 - In the logistic growth equation, which term...Ch. 53 - The term (K N)/K a. is the carrying capacity for...Ch. 53 - The carrying capacity for a population is...Ch. 53 - In order to maintain the largest sustainable fish...Ch. 53 - Immigration and emigration are likely to play a...Ch. 53 - Chimpanzee females typically first give birth at...Ch. 53 - Which of the following factors is not a...Ch. 53 - Consider a population experiencing negative...Ch. 53 - You have introduced a small number of individuals...Ch. 53 - Prob. 14TYKCh. 53 - Prob. 15TYKCh. 53 - In a population showing exponential growth, what...Ch. 53 - As a population approaches zero population growth,...Ch. 53 - For a population showing exponential growth, how...Ch. 53 - The human population is growing at such a fast...Ch. 53 - The demographic transition is the gradual shift...Ch. 53 - An ecological footprint is an estimate of a. the...
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- A population that did not grow in close relation to the amount of resources available in the environment, and dramatically overshot the carrying capacity, would experience: A. logistic growth, such as shown on the S-shaped curve B. exponential growth, such as shown on the J-shaped curve C. unpredictable growth, such as shown on the ?-shaped curve D. exponential growth, such as shown on the S-shaped curve E.logistic growth, such as shown on the J-shaped curvearrow_forwardHow does the logistic growth model of population growth differ from the exponential growth model? A. The graph of the exponential model is S-shaped. B. The logistic growth model shows an unrestricted growth rate. C. The logistic growth model considers the environment's carrying capacity. D. The exponential growth model shows a restricted growth rate.arrow_forwardThe difference between exponential and logistic growth isa. exponential growth depends on birth and death rates and logistic does not.b. in logistic growth, emigration and immigration are unimportant.c. that both are affected by density, but logistic growth is slower.d. that only logistic growth reflects density-dependent effects on births and deaths.arrow_forward
- A population of bats in a local zoo demonstrates geometric growth. The initial population size is 43 bats. During that year, 77 bats are born, and 21 bats are lost to accidents and predators. a. Determine the geometric growth rate (λ). Show your work. b. Do you assume that the population will continue to increase at this rate? Explain how you made this conclusion.arrow_forwardThe population of individuals is growing at a continuous rate. The maximum growth rate is 0.35 and the carrying capacity of the population is 800 individuals. a. If the population size is 20 individuals, find the population growth rate. Show your work. b. If the population was nearing the carrying capacity, how would this rate compare to the calculated rate in part a? A calculation is not required.arrow_forwardWith the help of suitable diagram describe the logistic population growth curve.arrow_forward
- Which growth model would you expect to see in a stable population? Select one: Exponential Speculative Factorial Logisticarrow_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_forwardJust Explain the difference between density-independent and a density-dependent processes influencing population growth. Each of the example show up.arrow_forward
- dN/dt= rmaxN represents:a.annual growth rate.b.geometric population growth.c.exponential population growth.d.logistic growth.e.none of the choices apply.arrow_forwardApplying what you have learned about population growth and carrying capacity, how would you use this concept in facing any situations/problems in your life?arrow_forwardWhat is the name of the model that exhibits the maximum rate of population growth? Select one: Logistic Factorial Exponential Speculativearrow_forward
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