Answer: Active transport is the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
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b. spread out from one pole and curve around to the other.
1% is the <span>percentage of global water.</span>
Eurythermic: (of an organism) able to tolerate a wide range of temperatures.
Stenothermic: <span>A </span>stenothermic<span> is a species or living organism only capable of living or surviving within a narrow temperature range.
</span> Euryhaline<span>: (of an aquatic organism) able to tolerate a wide range of salinity.
</span>Stenohaline: <span>(of an aquatic organism) able to tolerate only a narrow range of salinity.
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