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25 Cards in this Set
- Front
- Back
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Most chordates are what? |
Vertebrates |
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Has back bone |
Vertebrae |
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Lacks backbone |
Invertebrate |
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What are fish? |
Anything with gills scales and fins |
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Jawless fish |
Lamprey hagfish |
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Cartilage fish |
Shark, rays |
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Bony fish |
Salmon, catfish, goldfish |
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Amphibians |
Frogs, salamanders |
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Reptiles |
Lizards, turtles |
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Birds |
Sparrow, hawk |
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Mammals |
Humans, whales, cats |
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Oxygen poor blood becomes rich from gills |
Circulation |
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How many chambers in a fish heart? |
2 |
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What direction must blood and water flow? |
Opposite |
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What happens when water passes gills? |
Oxygen is added to blood |
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Gill cover |
Operculum |
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Maintains buoyancy |
Swim bladder |
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Use of dorsal fin |
Balance, staying upright |
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Use of caudal fin |
Forward movement |
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Use of anal fin |
Balance |
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Use of pelvic fin |
Steering |
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Use of pectoral fin |
Steering |
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Use of operculum fin |
Gill cover |
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Some fish spawn. Which means? |
Laid eggs are fertilized externally |
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Reproduction other than spawning |
Bearing live young |
