Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 53, Problem 1SYK
Create a concept map to organize your understanding of the exponential and logistic equations—the mathematical models of population growth.
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Chapter 53 Solutions
Study Guide for Campbell Biology
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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- When does the growth rate of a population following the logistic model equal zero?the logistic model is given as dN/dt = rN (1-N/K)arrow_forwardThe logistic model incorporates carrying capacity to make the model exponential density-dependent random density-independentarrow_forwardWrite the mathematical formulas and describe the shapes of the resulting graphs to illustrate the difference between 1) exponential and 2) logistic growth. Paragraph ... This is the initial textarrow_forward
- Draw a graph with a growth curve for a population that starts at 10 individuals and experiences exponential growth. Draw a second graph with a growth curve for a population that starts with 10 individuals and undergoes logistic growth. The second graph should have a carrying capacity of 100 individuals. Please give a proper written explanation for the graphs.arrow_forwardCreate a graph that represents a population undergoing logistic and exponential growth. Properly label the x and y axis of your graphsarrow_forwardContrast exponential and logistic (= sigmoid) growth of a population. Under what conditions might you expect a population to exhibit ex-ponential growth? Why can exponential growth not be perpetuated indefinitely?arrow_forward
- 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?arrow_forwardbartleby SEARCH https://www.bartleby.com/questio... ASK AN EXPERT Science >> Biology » The logistic model incorporates carrying capacity to make the moc Question exponential The logistic model incorporates carrying capacity to make the model random density-dependent LIVE TUTORING density-independent Transcribed Image Text: The logistic model incorporates carrying capacity to make the model exponentia dependent random density-independent Type here to search HAarrow_forwardYou will need to complete this question on a separate piece of paper. Scan or take a picture of it and upload the answer. Suppose you have a population of bats growing according to the logistic equation. If the carrying capacity is 400 bats, Demonstrate at which population sizes in relation to K will the population have - a positive growth, negative growth or stable growth. A Create a graph of dN/dt vs N (be sure to label the axes) for this (ii) - Use arrows to population of bats. Indicate on the graph - (i)- k, indicate when the instantaneous rate of change the highest and when is it stable (be sure to label the arrows). B . Provide a brief explanation for why your graph looks the way C that it does.arrow_forward
- For exponential growth to occur in a population, the constant. This is unlikely if the population density approaches the of the environment. has to bearrow_forwardThe following equation is used to calculate the population growth rate, Ro, per generation from a life table. Iy is survival probability from birth to age x and my is fecundity at age x. Ro = Elkm Multiplying ly and my and summing it over all age categories in the life table gives the population growth rate per generation because: Calculating the reproductive output for each age class requires considering the survival probability to that age (a dead individual does not reproduce) and the fecundity at that age by multiplying them with each other. Summing over reproductive output for all age classes gives the total per capita growth rate of the population The fecundity at each age is lower when the survival is higher because of energy constraints. Multiplying probability of survival and fecundity in each age class takes this trade-off into account. Summing over reproductive output for all age classes gives the total per capita growth rate of the population The resulting type of growth…arrow_forwardThe per capita birth (b) and death (d) rates are measured for two populations across a range of population sizes in the attached figure. The equation for exponential growth rate is dN/dt=rN where the per capita growth rate is r=(b-d). The equation for logistic population growth rate is dN/dt=rN(1-N/K). With logistic growth, r varies as a function of the population size with density-dependent birth and/or death rates. See attached image If the death rate decreased, what would happen to the population trajectory for population A? a) increase faster b) increase slower c) decrease faster d) decrease slowerarrow_forward
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