1
Q
What is a septal?
A
A wall separating the gill arches.
2
Q
Do most sharks have spiracles?
A
Yes, but they don’t use them for breathing.
3
Q
What is the difference between the physostomous swim bladder and the physoclistous swim bladder?
A
The physostomous swim bladder holds air while the physoclistous swim bladder holds oxygen.
4
Q
Did early vertebrates have gills or lungs?
A
Both.
Zoo 2090
flashcards
Decks in class (14)
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