Which of the following statements about osmoregulators is false?
A. They are restricted to environments with
stable solute concentrations.
B. Some organisms can switch between
acting as an osmoconformer and an
osmoregulator depending on environmental
conditions.
C. An osmoregulator uses more energy to
control body fluid solute levels than an
osmoconformer.
D. The osmotic pressure between the inside
and outside of internal cells is usually similar.
E. Animals that maintain body fluid solute
concentrations that are higher than that of the
external environment and animals that
maintain body fluid solute concentrations that
are lower than that of the external
environment are both considered to be
osmoregulators.
A
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