Lecture 29: Bony Fish Flashcards

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1
Q

Bony Fish?

A

Class osteichthyes
Skeleton becomes bony
Replacment of cartilage by calcium phosphate
Marine and freshwater

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2
Q

If restriced to fish?

A

Paraphyletic

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3
Q

Lungs paired

A

Respiration

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4
Q

Swim bladders (Single)

A

buoyancy

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5
Q

Swim bladder

A

evolved from lungs present in extinct ancestor

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