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.
______________ are warm - blooded animals, have a four chambered heart and lay eggs. | |||
| Right Option : D | |||
| View Explanation | |||
Avian heart is __________________. | |||
| Right Option : B | |||
| View Explanation | |||
Forellimbs are modified for flight in __________________ | |||
| Right Option : D | |||
| View Explanation | |||
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