Chapter 18: Superphylum Ecdysozoans Flashcards

1
Q

Many protostomes posses a non living outer layer secreted by the epidermis called what?

A

cuticle

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2
Q

The cuticle restricts what? Solution to this issue?

A
  • restricts growth

- molting/ ecdysis

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3
Q

Members of this phylum molt their cuticle as they____

A

grow

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4
Q

Regulation of moulting is achieved by what hormone?

A
  • ecdysone
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