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25/08/2020 5:34 pm
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Two species of Amoeba X and Y were kept in fresh water and got adapted. Species X developed contractile vacuole. When both were transferred to sea water and got adapted, both X and Y lost their contractile vacuole. From these observation we conclude that
(A) Both X and Y are marine species
(B) Species Y is marine and X is fresh water
(C) Species X is marine and Y is fresh water
(D) Both X and Y are fresh water
1 Answer
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25/08/2020 5:35 pm
(C) Species X is marine and Y is fresh water