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Question
Sponges belonging to calcarea occur in
Sponges belonging to calcarea occur in
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Solution
The correct option is D Shallow sea water
Sponges may be found in deep seas or shallow water. Sponges belonging to class Calcarea are small sized calcareous sponges with solitary and colonial habitat. These calcareous sponges are found in shallow sea water because calcareous sponges have spicules made up of calcium carbonate and at shallow water surface, production of calcium carbonate is easiest.So, the correct answer is 'Shallow sea water'.
Sponges may be found in deep seas or shallow water. Sponges belonging to class Calcarea are small sized calcareous sponges with solitary and colonial habitat. These calcareous sponges are found in shallow sea water because calcareous sponges have spicules made up of calcium carbonate and at shallow water surface, production of calcium carbonate is easiest.
So, the correct answer is 'Shallow sea water'.
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