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Excretion, Osmoregulation, and Internal Balance
Worksheet
Grade Level
Biology
10.104 Excretion, Osmoregulation, and Internal Balance
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Which scenario is the best example of osmoregulation rather than simple waste excretion alone?
A
A mammal converts excess amino nitrogen into urea.
B
A crab adjusts ion uptake at its gills when salinity changes.
C
A bladder stores urine until it is released.
D
A person removes undigested fiber in feces.
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