Biology, 02.01.2020 22:31 jordnnnn102
Saltwater fish constantly drink water but still excrete concentrated urine to compensate for the water loss. they also have gills to excrete excess salts. conversely, freshwater fish absorb salt from their surroundings using their gills and their bodies reabsorb salt from their urine. this describes how salt- and freshwater fish
a.
use their gills to drink
b.
keep the salinity levels even in their aquatic environments
c.
have adapted to deal with osmosis
d.
have evolved behavior patterns to match their physiology
Answers: 2
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In attempt to solve the working problems created by the industrial revolution, the united states and many countries in europe considered and/or adopted
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Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells
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Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d
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The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales
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Saltwater fish constantly drink water but still excrete concentrated urine to compensate for the wat...
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