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Standard IX
Biology
Aquatic Ecosystem
Rivers and la...
Question
Rivers and lakes are example of which of these aquatic habitats?
A
Marine
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B
Freshwater
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C
Coastal
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D
None of these
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Solution
The correct option is
B
Freshwater
Fresh water ecosystems:
Three types of ecosystems are classified under this category. They are
Lotic: Fast moving waters such as rivers and streams
Lentic: Slow moving waters such as pools, lakes and ponds.
Wetlands: Wetlands saturated with water.
Marine ecosystems:
These vary from fresh water ecosystems as water contains most percentage of dissolved salts such as ocean and sea waters.
So the correct answer is 'Freshwater'.
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