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Let's review the adapations of kelp in the subtidal zone...

mitzi

Adaptations of kelp

  • A complex, strong holdfast anchors the kelp to the substrate.
  • A flexible blade moves with the motion of the waves.
  • Growth occurs between the stipe and the blade instead of at the blade tip, where erosion happens.
  • A hollow stipe offers some buoyancy to the kelp structure.
 
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