Class Aves
Class Aves
Class Aves (Latin. Avis : bird)
Aves include all birds. Birds are often described as ‘feathered reptiles with the power of flight’.
Characteristics of Aves are :
Some common birds are crow (Corvus), pigeon (Columba) and sparrow (Passer). There are some birds that are good runners, but they cannot fly, for example, ostrich.
Identify the organisms on the basis of following features - (i) Warm - blooded, (ii) four - chambered heart, (iii) Lay eggs, (iv) Body covering of feathers, (v) Breathe through lungs | |||
| Right Option : C | |||
| View Explanation | |||
______________ are warm - blooded animals, have a four chambered heart and lay eggs. | |||
| Right Option : D | |||
| View Explanation | |||
Pneumatic bones are found in | |||
| Right Option : C | |||
| View Explanation | |||
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