Lecture 29: Bony Fish Flashcards
1
Q
Bony Fish?
A
Class osteichthyes
Skeleton becomes bony
Replacment of cartilage by calcium phosphate
Marine and freshwater
2
Q
If restriced to fish?
A
Paraphyletic
3
Q
Lungs paired
A
Respiration
4
Q
Swim bladders (Single)
A
buoyancy
5
Q
Swim bladder
A
evolved from lungs present in extinct ancestor