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Population Ecology Overview
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Population Ecology Overview

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Questions and Answers

What is the defining feature of a population?

  • Living in a well-defined geographical area
  • Sharing similar resources
  • Interbreeding potential
  • All of the above (correct)
  • What distinguishes the term 'population' from 'individual organism'?

  • Individual organisms are a result of asexual reproduction
  • Population has birth rates and death rates (correct)
  • Individuals live in isolation
  • Population survives in a changed environment
  • Why is population ecology considered important?

  • It focuses on individual organism adaptation
  • It ignores population attributes
  • It links ecology to population genetics and evolution (correct)
  • It studies only sexual reproduction in populations
  • What is the role of natural selection in a population?

    <p>It operates at the population level to evolve desired traits</p> Signup and view all the answers

    How are birth rates and death rates typically expressed in a population?

    <p>Per capita births and deaths</p> Signup and view all the answers

    Why are cormorants in a wetland and lotus plants in a pond considered populations?

    <p>They share similar resources</p> Signup and view all the answers

    What distinguishes a population from an individual organism in terms of reproduction?

    <p>A population's reproduction is not limited to sexual reproduction, while an individual organism's reproduction is solely sexual.</p> Signup and view all the answers

    How are birth rates and death rates typically expressed in a population?

    <p>As per capita births and deaths in the population.</p> Signup and view all the answers

    Why is the concept of 'population' considered important in ecology?

    <p>Because populations exhibit traits that individuals do not possess.</p> Signup and view all the answers

    What is the significance of natural selection at the population level?

    <p>It drives the evolution of beneficial traits within a population over time.</p> Signup and view all the answers

    How does population ecology connect with evolution?

    <p>By investigating how traits evolve over time within populations.</p> Signup and view all the answers

    What makes birth rates and death rates in a population different from individual births and deaths?

    <p>Birth and death rates in a population are normalized per capita, unlike individual births and deaths.</p> Signup and view all the answers

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