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BIOL1025 > Fish > Flashcards

Fish Flashcards

1
Q

Lobe-finned Fish

A

Sarcopterygii

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2
Q

Ancestors of the earliest amphibians
and all tetrapods became extinct before paleozoic

A

Tetrapodomorpha

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3
Q

Coelocanths

A

A Sarcopterygii. Found in Madagascar and Indonesia. Still alive but endangered

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4
Q

Crossopterygii

A

Lobe-finned fish. A Sarcopterygii

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5
Q

Sarcopterygii characteristics

A

Lungs and gills
Muscular lobes associated with fins

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6
Q

Ray-Finned Fishes

A

Actinopterygii

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7
Q

Actinopterygii characteristics

A

Bony skeleton
Homocercal caudal fin
Scales are cycloid or ctenoid
Operculum present

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BIOL1025 (7 decks)

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