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When a freshwater protozoan, possessing a contractile vacuole,
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When a freshwater protozoan, possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will?

A
Increase in number

B
Disappear

C
Increase in size

D
Decrease in size

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Updated on: Feb 4, 2023

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When a freshwater protozoan, possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will?
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Text SolutionText solutionverified iconVerified

When freshwater protozoans are placed in marine water, i.e., hypertonic water, the contractile vacuoles disappear because the process of endosmosis does not happen and thus, water does not come in the protoplasm.
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Question Text
When a freshwater protozoan, possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will?
Updated OnFeb 4, 2023
TopicBiological Classification
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 4
Upvotes433
Avg. Video Duration4 min