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8 Cards in this Set
- Front
- Back
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what is special about the vertebrate?
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they have bone
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what are the 5 lineages of vertebrates?give examples of each
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1.chondrichthyes(sharks,rays,ratfish)
2.actinopterygia(ray finned fish) 3.actinistia/coelcanth(lobe fin fish) 4.dipnoi(lungfish) 5.amphibia |
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what is special about the chonndrichthyes? what are it reproductive modes? how many fins does it have? what kind of skeleton does it have?
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-living fossils
-oviparous,viviparous,ovovivparous -paired fins -cartilagenous |
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what kind of skeleton does the actinopterygia? what kind of jaws?
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-boney skeleton
-protrusible jaws 1.oral jaw for prey capture 2. pharyngeal for prey parcessina |
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what is the most diverse group of chordates?
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actinopterygia
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when do we see the fist evidence of fish going to land?
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the devonian era
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where are the 3species of dipnoi found? what do they use their lungs for?
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-africa, south america, australia
-respiration |
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what happened in the amphibia?
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they start to grow boney strucutures in their fins that look like hands with joints and everything
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