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प्रश्न
Name three animals (belonging to different classes) which breathe by means of lungs but have no external ears (pinnae).
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उत्तर
- Class Amphibia: Tree frog
- Class Reptilia: Cobra
- Class Aves: Duck
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संबंधित प्रश्न
What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?
Give four general characters of phylum Mollusca. Write down two examples.
Write down four characters of Chondrichtyes. Give two examples.
What are differences between the following :
(a) Cartilaginous fishes and bony fishes ;
(b) Amphibia and Reptilia ;
(c) Aves and mammals.
Explain the general charaters of phylum Mollusca. Give one example of following classes of Mollusca;
(i) Gastropoda;
(ii) Pelecypoda;
(iii) Cephalopoda.
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Write name of any poikilothermic animal.
Give two examples of each of the following: Arthropoda
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Bilaterally symmetrical and acoelomate animal are exemplified by:
