Ecosystem Niches and Reproduction
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Questions and Answers

What is the importance of DNA copying during reproduction?

  • It ensures the survival of the organism in a changing niche
  • It is responsible for the adaptation of organisms to new niches
  • It helps in the maintenance of body design features suited to the niche (correct)
  • It increases the genetic variability within the population

    • In what way are niches linked to the stability of populations?

  • Changes in niches result in the extinction of populations
  • Niches determine the mating patterns within a population
  • Niche suitability affects the survival and growth of populations (correct)
  • Niches provide resources needed for population growth

    • Why can variation be useful for the survival of species over time?

  • Variation reduces competition within populations
  • Variation leads to better adaptation to new niches (correct)
  • Variation ensures rapid reproduction in species
  • Variation provides resistance to environmental changes

    • How do changes in niche conditions affect populations of organisms?

    <p>They pose a threat to the survival of populations adapted to the previous niche</p> Signup and view all the answers

    What would happen if a niche were drastically altered and no variations were present in a population?

    <p>The population would become more vulnerable and face extinction</p> Signup and view all the answers

    How does global warming illustrate the role of variation in species survival?

    <p>It indicates how variation allows some individuals to survive and thrive</p> Signup and view all the answers

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