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MMLU-Pro / 3006 / Explain how the planarian changes its body shape.

Problem

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question

Explain how the planarian changes its body shape.

category

biology

options

  1. By extending and retracting spines along its body
  2. Through the use of cilia on its underside for movement and shape alteration
  3. By secreting a mucus layer to change body contours
  4. By absorbing water and expanding
  5. By coordinated contraction and relaxation of circular, longitudinal, and dorsoventral muscles, the body shape of a planarian can be varied.
  6. By shifting the distribution of body fluids to different segments
  7. By changing the thickness of its skin
  8. By rapid cell division and growth in specific body regions
  9. By inflating air sacs within its body
  10. By altering its genetic structure

src

stemez-Biology

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Source and history

Official source

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