Phylum Annelida Quiz: The Segmented Worms!

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Phylum Annelida Quiz: The Segmented Worms! - Quiz

Phylum Annelida: The Segmented Worms. Zoology Lab.


Questions and Answers
  • 1. 

    The phylum Annelida is made up of .....

    • A.

      Pseudocoelomates

    • B.

      Aceolomates

    • C.

      Eucoelomates

    Correct Answer
    C. Eucoelomates
    Explanation
    Annelida is a phylum that includes segmented worms. These worms have a true coelom, which is a fluid-filled body cavity completely lined with mesoderm. This makes them eucoelomates. Pseudocoelomates have a body cavity that is only partially lined with mesoderm, while aceolomates lack a body cavity altogether. Therefore, the correct answer is eucoelomates.

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  • 2. 

    What are the repeating body segments called?

    Correct Answer
    Metameres
    Explanation
    Metameres are the repeating body segments found in certain organisms. These segments are similar in structure and function, and they often repeat along the length of the body. This repetition allows for specialization and efficiency in different body regions. Examples of organisms with metameres include annelid worms and arthropods. These segmented body plans provide flexibility and adaptability, allowing the organisms to perform a variety of different movements and functions.

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  • 3. 

    In the phylum Annelida, their digestive system is complete.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Annelids belong to the phylum Annelida, which includes segmented worms like earthworms and leeches. These organisms have a complete digestive system, which means that they have a mouth for ingestion, a specialized tube-like structure for digestion and absorption of nutrients, and an anus for the elimination of waste. This allows them to efficiently process and extract nutrients from their food. Therefore, the statement that the digestive system of Annelida is complete is true.

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  • 4. 

    A crop in the phylum Annelida is used for...

    • A.

      Temporary Storage

    • B.

      Movement

    • C.

      Grinding

    Correct Answer
    A. Temporary Storage
    Explanation
    The crop in the phylum Annelida is used for temporary storage. The crop is a specialized organ found in some annelids, such as earthworms, and it serves as a storage chamber for food. It allows the annelid to store excess food temporarily before it is further digested and absorbed. This adaptation is particularly useful for annelids that consume large quantities of food at once or for those that have irregular feeding patterns. The crop helps ensure a steady supply of nutrients for the annelid, allowing it to survive periods of food scarcity.

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  • 5. 

    The gizzard in the phylum Annelida is used for.....

    • A.

      Temporary Storage

    • B.

      Nothing

    • C.

      Grinding

    Correct Answer
    C. Grinding
    Explanation
    The gizzard in the phylum Annelida is used for grinding. Annelida is a phylum that includes segmented worms, and the gizzard is a muscular organ found in their digestive system. It helps break down food particles by grinding them into smaller pieces, aiding in the digestion process. This allows the worms to extract nutrients more efficiently from their food.

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  • 6. 

    The genus Nereis is found in what class?

    Correct Answer
    Polychaeta
    Explanation
    The genus Nereis is found in the class Polychaeta. Polychaeta is a class of marine worms that are characterized by their numerous bristle-like appendages called chaetae. Nereis is a genus within this class, which means that it belongs to the group of marine worms with chaetae.

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  • 7. 

    The genus Lumbricus is found in what class?

    Correct Answer
    Oligochaeta
    Explanation
    The genus Lumbricus is found in the class Oligochaeta. Oligochaeta is a class of annelids that includes earthworms, and Lumbricus is a genus of earthworms. Therefore, it can be inferred that Lumbricus belongs to the class Oligochaeta.

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  • 8. 

    The genus Hirudo is found in what class?

    Correct Answer
    Hirudinea
    Explanation
    The genus Hirudo belongs to the class Hirudinea.

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  • 9. 

    Genus Lumbricus is found in what phylum?

    Correct Answer
    Annelida
    Explanation
    Genus Lumbricus belongs to the phylum Annelida. Annelida is a phylum that includes segmented worms, such as earthworms. The characteristics of this phylum include a segmented body, a well-developed coelom, and a closed circulatory system. Genus Lumbricus specifically refers to the earthworms, which are part of the Annelida phylum.

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  • 10. 

    What genus is this species?

    Correct Answer
    Hirudo
    Explanation
    This species belongs to the genus Hirudo.

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  • 11. 

    What genus is this species?

    Correct Answer
    Lumbricus
    Explanation
    The given species is named Lumbricus, which also happens to be the genus name. In taxonomy, the genus is a rank below family and above species. It is a way to categorize and group similar species together. Therefore, the correct answer is Lumbricus, as it is both the species name and the genus name in this case.

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  • 12. 

    What genus is this species?

    Correct Answer
    Nereis
    Explanation
    The given species is named Nereis, which is also the genus of the species. In taxonomy, the genus is a rank in the classification system that groups closely related species together. Therefore, the correct answer is Nereis because the species belongs to the same genus.

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  • Current Version
  • Mar 13, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 11, 2011
    Quiz Created by
    Caellic
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