Multiple Choice
Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell.The presence of these organelles tells you that the environment
A) contains a higher concentration of solutes than the protozoan.
B) is isotonic to the protozoan.
C) is hypotonic to the protozoan.
D) is hypertonic to the protozoan.
Correct Answer:

Verified
Correct Answer:
Verified
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