Advertisements
Advertisements
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?
Advertisements
उत्तर
No, Aves and Reptiles do not show external ear in any form. They possess tympanum which represents the ear.
APPEARS IN
संबंधित प्रश्न
Answer the following question.
Reptiles are known for having three-chambered heart. Which animal shows a near four-chambered condition in reptiles?
Answer the following question.
Fish and frog can respire in water. Can they respire through their skin? If yes, why do they have gills?
Answer the following question.
Crab and Snail both have a protective covering. Is it made up of the same material?
Draw a neat labelled diagram.
Sycon
Draw a neat labelled diagram.
Balanoglossus
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.

