Contractile vacuoles in protozoans primarily help in:
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Correct answer: Osmoregulation
Contractile vacuoles expel excess water from the cell, maintaining osmotic balance. This is especially important for freshwater protozoans, which constantly take in water by osmosis.
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More Excretion in Other Animals questions
- Which of the following animals is ammonotelic?
- The main advantage of urea over ammonia as an excretory product is:
- Which excretory product is most commonly eliminated by aquatic animals?
- Animals that excrete ammonia as the main nitrogenous waste are called:
- Which group of animals is typically ureotelic?
- Uric acid excretion is an adaptation mainly seen in: