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Most sponges areMultiple choice question.pentaradial.bilateral.radial.asymmetrical.

Question

Most sponges are

  • pentaradial
  • bilateral
  • radial
  • asymmetrical
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Solution

Break Down the Problem

  1. Identify the characteristics of sponges.
  2. Analyze the provided options for the type of symmetry sponges exhibit.

Relevant Concepts

  • Sponges are classified in the phylum Porifera, which is known primarily for their unique body structure.
  • Symmetry types:
    • Pentaradial: Symmetrical in five parts, common in certain echinoderms.
    • Bilateral: Can be divided into two equal halves along one plane, typical of many animals.
    • Radial: Symmetrical around a central axis, allowing division into similar parts, seen in organisms like jellyfish.
    • Asymmetrical: No symmetry, typical of sponges.

Analysis and Detail

  • Sponges lack true symmetry; they exhibit a body structure that does not conform to radial, bilateral, or pentaradial symmetry.
  • Therefore, the correct characterization for sponges is asymmetrical.

Verify and Summarize

  • After analyzing the definitions and characteristics, it's clear that sponges do not exhibit any of the symmetrical forms except asymmetry.

Final Answer

The correct answer is asymmetrical.

This problem has been solved

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