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Type: Multiple-Choice
Category: Zoology
Level: Grade 7
Author: redteacher09
Last Modified: 6 years ago

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Zoology Question

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Grade 7 Zoology

What is the purpose of a swim bladder?
  1. keep fish upright while swimming
  2. help fish float at a constant depth
  3. help the fish move faster in the water
  4. change the direction a fish swims