Invertebrates Introduction Quiz
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Questions and Answers

Which of the following best describes invertebrates?

  • They make up about 97% of the animal kingdom and do not have a backbone (correct)
  • They make up about 3% of the animal kingdom and have a backbone
  • They are only remotely related and have common phylogenetic origins
  • They are characterized by a unity of basic structural patterns
  • How many invertebrate phyla are there?

  • 20
  • 30 (correct)
  • 25
  • 40
  • What is the basis for dividing the invertebrate phyla into major and minor phyla?

  • The size and structural diversity of the phyla
  • Their anatomical features
  • Their common phylogenetic origins
  • Their participation in ecological communities (correct)
  • Which phylum would be considered a major phylum based on the number of species and individuals?

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

    Which invertebrate phylum has the largest number of species?

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

    Study Notes

    Characteristics of Invertebrates

    • Invertebrates are best described as animals without a backbone or spinal column.

    Invertebrate Phyla

    • There are approximately 30-35 invertebrate phyla.

    Classification of Invertebrate Phyla

    • Invertebrate phyla are divided into major and minor phyla based on the number of species and individuals they comprise.

    Major Invertebrate Phyla

    • ARTHROPODA is considered a major phylum due to its large number of species and individuals.

    Invertebrate Phylum with the Largest Number of Species

    • Arthropoda has the largest number of species among all invertebrate phyla.

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    Description

    Test your knowledge on the vast and diverse world of invertebrates with this introduction quiz. Learn about the wide range of invertebrate species and their unique characteristics.

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