Answer:
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<span>The correct answer is B.Too much water moved into the cell. Similar things happen to our bodies, if there's too much water the body deforms because it becomes bloated. If there's too little water the body deforms and becomes smaller because there's no water so the skin shrinks a bit but it's barely noticable.</span>
Paramecium needs contractile vacuole due to its different environment from other protozoan that lives in salt water.
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Need of contractile vacuole for paramecium</h3>
In salt water, the solute concentration outside the cell is more than inside the cell so the water flows out of the cell down the concentration gradient. Therefore contractile vacuoles are not required for expelling water for most protozoan living in salt water.
While on the other hand, paramecium lives in fresh water so contractile vacuole is required for removing excess water so we can conclude that paramecium needs contractile vacuole due to its different environment from other protozoan that lives in salt water.
Learn more about contractile vacuole here: brainly.com/question/15648413
Http://www.answers.com/Q/Which_is_evidence_that_supports_the_dynamo_theory. According to this website the answer is earth's outer core contains liquids that conduct electricity. Earth's outer core is a liquid. Earth's core contains mostly iron and nickel.
