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 52.5, Problem 2SB
Summary Introduction
To review:
Whether the effects of infectious diseases on populations are more likely to be density-dependent or density-independent.
Introduction:
Different factors influence
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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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- Human populations have which type of survivorship curve? a. Type I b. Type II c. Type III d. Type IVarrow_forwardUsing the above graph, what is the approximate percent of the population in the US and Kenya that is under the age of 15? (number order represents US, Kenya) A24,26 B12,28 C32,62 D16,36arrow_forwardList at least 5 emerging infectious diseases due to population density. (Briefly explain each infectious diseases why it is due to population density)arrow_forward
- Does this epidemic curve suggest a point source or propagated epidemic? Justify your answer. What does the "moving averages" (black line) represent? bruefly explain this term in relation to the concept of "variability"?arrow_forwardWhat forces can cause populations to decline?arrow_forwardWhat are the Effects of the recent human population explosion?arrow_forward
- An organism has eight offspring and two die every year for four years. What type of survivorship curve does this exemplify? a Type IV b Type I c Type II d Type IIIarrow_forwardWhat is the defintion of population sizearrow_forwardIf the incidence rate of a very serious disease is 25/100,000 person-years and the prevalence of this disease in the population is 75/100,000, what is the average survival time of individuals who contract this disease? [Assume the population is in steady state] * Hint* Formula (D=P/IR)arrow_forward
- As limiting factors, how do disease differ from a forest fires? A) Diseases can slow the growth of a population B) Diseases increase the carrying capacity of an ecosystem C) Diseases reduce all populations in an ecosystem by the same proportion D) Disease have a greater effect on a dense population than one that is less dense.arrow_forwardLarge numbers of microbes: (Select all that apply) a. contribute to population variability b. create statistical reliability c. contribute to population consistency d. give the same results in studies as smaller populationsarrow_forwardIn the SIR model, if S is 99 and I is 1 (total population is 100) at the beginning of a disease infection, which has R0 of 2 and average infectious period of 10 days. What is the transmission rate (beta)? a.0.1 b.0.2 c.0.002 d.2 Please answer asaparrow_forward
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