Biological Life Cycle Quiz
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Questions and Answers

In a biological life cycle, which stage often begins as a zygote?

  • New zygote stage
  • Egg stage (correct)
  • Adult stage
  • Offspring stage
  • What process concludes the biological life cycle?

  • Sexual reproduction (correct)
  • Asexual reproduction
  • Growth
  • Producing offspring
  • For plants and many algae, what is the term used for the two multicellular stages in the life cycle?

  • Ontogeny
  • Development
  • Alternation of generations (correct)
  • Life history
  • What type of life cycle involves a change from a diploid stage to a haploid stage?

    <p>Haplontic life cycle</p> Signup and view all the answers

    How many multicellular stages are typically found in the life history of red algae?

    <p>Three</p> Signup and view all the answers

    What must occur to return from a diploid stage to a haploid stage in a life cycle involving sexual reproduction?

    <p>Meiosis</p> Signup and view all the answers

    In which life cycle do multicellular diploid and haploid stages occur?

    <p>Diplontic life cycle</p> Signup and view all the answers

    What type of meiosis has mitosis in two stages, both the diploid and haploid stages?

    <p>Sporic meiosis</p> Signup and view all the answers

    What type of meiosis has mitosis during the 2n phase?

    <p>Gammatic meiosis</p> Signup and view all the answers

    Which botanist demonstrated that alternation of generations is a feature that unites plants and published this result in 1851?

    <p>Wilhelm Hofmeister</p> Signup and view all the answers

    Which organisms are haplonts in the haplontic life cycle?

    <p>Most fungi</p> Signup and view all the answers

    What type of life cycle produces several haploid cells immediately after karyogamy?

    <p>Zygotic meiosis</p> Signup and view all the answers

    Which term was proposed initially for algae by Nils Svedelius and then became used for other organisms?

    <p>Haplobiont</p> Signup and view all the answers

    What led to the disproof of the ideas of spontaneous generation in the 1840s and 1850s?

    <p>Complex life cycles of various organisms</p> Signup and view all the answers

    'Zygotic meiosis' and 'gametic meiosis' are collectively termed as what type of meiosis?

    <p>'Haplobiontic' meiosis</p> Signup and view all the answers

    What is the purpose of providing students with two different kinds of 'pollen' in the activity?

    <p>To observe the pollination process</p> Signup and view all the answers

    Why are homeschool students suggested to work in pairs for the activity?

    <p>To ensure accurate observation of the pollination process</p> Signup and view all the answers

    What is the main focus of the readings suggested for students reading below grade level?

    <p>Kangaroos</p> Signup and view all the answers

    What is the primary objective of the 'Open-and-go lessons' mentioned in the text?

    <p>To inspire kids to love science</p> Signup and view all the answers

    Why do students need to make two flower models for the activity?

    <p>To simulate the transfer of pollen from one flower to another</p> Signup and view all the answers

    What is the suggested method for groups of four students to observe 'pollen' in the activity?

    <p>Share two cups of 'pollen'</p> Signup and view all the answers

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