Which is false regarding freshwater fish?
a) their blood is hypertonic to their environment
b) they often actively take up salt
c) they excrete urine hypotonic to the blood
d) their gills actively excrete salts
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false regarding freshwater fish
options b and c
options b and c
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Which is false regarding freshwater fish?
a) their blood is hypertonic to their environment
b) they often actively take up salt✔✔
c) they excrete urine hypotonic to the blood✔✔
d) their gills actively excrete salts
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