lecture 5 animal evolution the invertebrates n.
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Lecture 5 Animal Evolution – The Invertebrates. Molting…. Periodic shedding of the old cuticles which is replaced by the new cuticle. Occurs under hormonal control. Hormones induce a soft new cuticle to form under the old one.

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molting
Molting…..
  • Periodic shedding of the old cuticles which is replaced by the new cuticle.
  • Occurs under hormonal control.
  • Hormones induce a soft new cuticle to form under the old one.
  • Body mass increases by the uptake of water/air, repetition, new cuticle harden.
  • This trait is also shared by roundworms.