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.
Birds differ from bats in absence of | |||
| Right Option : D | |||
| View Explanation | |||
__________________ is a flightless bird. | |||
| Right Option : B | |||
| View Explanation | |||
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 | |||
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