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21 Cards in this Set
- Front
- Back
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Constantly losing water- perpetual
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physiological drought
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osmoregulation in fish
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Specialized chloride cells in gills- excrete salt
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Convert ammonia to urea
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osmoconformer
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examples of Mechanoreception (physical forces) in fish
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lateral lines- (neuromasts)
ears- hearing and equilibrium- otoliths |
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Ampullae of Lorenzini
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gel-filled tubes that detect electric field
found in sharks, skates and rays and a few bony fishes |
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ovoviparity
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embryos develop inside motherland then live birth.
*egg yolk nourishes unlike vivipary |
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viviparity
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milk for nourishment
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care for young- brooders
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hide eggs, no parental care
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care for young- guarders
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care for egg until they catch ex. damsel fish, blennies, gobies
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care for young- bearers
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females lay eggs in mouth of males. males take care of until hatch. ex. seahorses, jawfish
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poster coloration
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warning color
communication |
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cryptic coloration
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countershading
blend in with surroundings |
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disruptive coloring
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horizontal stripes
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what muscles propel fish through water
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trunk muscles
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example of tectonic estuary
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San Francisco Bay
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example of Fjord estuary
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Scandinavia
glaciers cut deep into valley of coast |
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example of bar-build estuary
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Barrier islands- Cape Hatteras, Texas Coast
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intertidal
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zone between highest and lowest tides
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how does a shallow lagoon form
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• Inner corals die and covered with debris
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• Lagoon protected by what has become a what?
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barrier reef
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• Forms a ring of small, low-lying island
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atoll
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