Identify X, Y and Z with respect to freshwater ecosystem. XAnnelidsSnailsYSmall fishesFrogsZLarge fishesCrocodiles
A
X - Primary consumer
Y - Secondary consumer
Z - Tertiary consumer
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B
X - Secondary consumer
Y - Primary consumer
Z - Tertiary consumer
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C
X - Primary consumer
Y - Producers
Z - Decomposers
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D
X - Decomposers
Y - Producers
Z - Primary consumer
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Solution
The correct option is A X - Primary consumer
Y - Secondary consumer
Z - Tertiary consumer In freshwater ecosystems, phytoplanktons acts as producers. They are eaten up by primary consumers like annelids and snails. The primary consumers are eaten by secondary consumers like small fishes and frogs. These animals are further eaten by the tertiary consumers like large fishes and crocodiles, which are the tertiary consumers.