1
Q
Do elasmobranchs have bones?
A
No.
2
Q
Does the pectoral girdle provide more support in bony fishes or sharks?
A
Bony fishes.
3
Q
What are chromatophores?
A
Cells that give rise to pigment in the dermis.
4
Q
Which layer of skin is the hypodermis?
A
The bottom layer.
Zoo 2090
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