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प्रश्न
Answer the following question.
Pinna is part of the external ear and it is found in mammals. Do aves and reptiles show external ear in any form?
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उत्तर
No, Aves and Reptiles do not show external ear in any form. They possess tympanum which represents the ear.
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संबंधित प्रश्न
Answer the following question.
Sponge and sea star show calcareous protective material. Do they belong to the same Phylum?
Answer the following question.
Lower Phyla like Arthropods and Cnidarians show metamorphosis. Is it also found in any class of Phylum Chordata?
Draw a neat labelled diagram.
Sycon
Draw a neat labelled diagram.
Amphioxus
Draw a neat labelled diagram.
Catla
Match the following.
| Phylum | Characters |
| i. Annelida | a. Tube feet |
| ii. Mollusca | b. Ostia |
| iii. Ctenophora | c. Radula |
| iv. Porifera | d. Parapodia |
| v. Echinodermata | e. Comb plates |
Identify the animal given in the picture and write features of its phylum/class.
Identify the animal given in the picture and write features of its phylum/class.
Identify the animal given in the picture and write features of its phylum/class.
Identify the animal given in the picture and write features of its phylum/class.
