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  • Animal Kingdom: Invertebrates
  • The sponge skeleton is composed of structures called the ...
Multiple choice

The sponge skeleton is composed of structures called the __________.

  1. oseulum

  2. ostea

  3. gemmules

  4. spicules

  5. None of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The sponge skeleton is composed of structures called the spicules.

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