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Subject :NSO    Class : Class 6

Aquatic habitats (freshwater or marine) sustain various organisms including mammals, amphibians, etc., each with different kinds of adaptations. Which of the following is incorrect regarding these adaptations?

(A) Blowholes and lungs are the respiratory organs of many aquatic mammals.

(B) Dorsoventrally flattened body is found in many deep sea fishes in order to cope with high pressure.

(C) Many aquatic animals either have streamlined bodies or make their bodies streamlined while swimming.

(D) Gills are the organs of respiration in essentially all fishes.
what is dorsoventrally flattened body?

Ans 1:

Class : Class 6
d

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