Biology 2e
Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 45, Problem 4RQ

Which of the following methods will tell an ecologist about both the size and density of a population?

  1. mark and recapture
  2. mark and release
  3. quadrat
  4. life table

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A population of wolves in a national park is known to be 150 individuals. As wildlife ecologist, you are tasked with assessing the accuracy of the mark and recapture technique. At the start, you mark 30 wolves, and your recapture yields 20 wolves, 5 of whom are marked. State whether the mark and recapture data results in an over or underestimation of the actual population size, and show work to support your claim.

Chapter 45 Solutions

Biology 2e

Ch. 45 - Species with limited resources usually exhibit...Ch. 45 - The maximum rate of increased characteristic of a...Ch. 45 - The population size of a species capable of being...Ch. 45 - Species that have many offspring at one time are...Ch. 45 - A forest fire is an example of regulation....Ch. 45 - Primates are examples of: density-dependent...Ch. 45 - Which of the following statements does not support...Ch. 45 - Which of the following events would not negatively...Ch. 45 - A country with zero population growth is likely to...Ch. 45 - Which type of country has the greatest proportion...Ch. 45 - Which of the following is not a way that humans...Ch. 45 - The first species to live on new land, such as...Ch. 45 - Which type of mimicry involves multiple species...Ch. 45 - A symbiotic relationship where both of the...Ch. 45 - Which of the following is not a mutualistic...Ch. 45 - The ability of rats to learn how to run a maze is...Ch. 45 - The training of animals usually involves...Ch. 45 - The sacrifice of the life of an individual so that...Ch. 45 - Why are polyandrous mating systems more rare than...Ch. 45 - Describe how a researcher would determine the size...Ch. 45 - The CDC released the following data in its 2013...Ch. 45 - Why is long-term parental care not associated with...Ch. 45 - Describe the difference in evolutionary pressures...Ch. 45 - Describe the rate of population growth that would...Ch. 45 - Describe how the population of a species that...Ch. 45 - Give an example of how density-dependent and...Ch. 45 - Describe the age structures in rapidly growing...Ch. 45 - Since the introduction of the Endangered Species...Ch. 45 - Describe the competitive exclusion principle and...Ch. 45 - Jaguars are a keystone species in the Amazon....Ch. 45 - Describe Pavlov’s dog experiments as an example of...Ch. 45 - Describe the advantage of using an aural or...
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