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Type: Multiple-Choice
Category: Zoology
Level: Grade 7
Tags: echinoderm, chordate
Author: RenaKilgore
Last Modified: 6 years ago

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Zoology Question

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Grade 7 Zoology

What is a notochord?
  1. dorsal nerve cord
  2. ligament that hold the bones together
  3. vocal cords in the throat of all chordates
  4. rod made of cartilage that supports the shape of the animal