Chapter 18: Superphylum Ecdysozoans Flashcards
1
Q
Many protostomes posses a non living outer layer secreted by the epidermis called what?
A
cuticle
2
Q
The cuticle restricts what? Solution to this issue?
A
- restricts growth
- molting/ ecdysis
3
Q
Members of this phylum molt their cuticle as they____
A
grow
4
Q
Regulation of moulting is achieved by what hormone?
A
- ecdysone