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What are the differences between animals belonging to the Aves group and those in the mammalia group?
Answer:
|
Aves |
Mammalia |
|
1.Their body is covered with feathers. |
1.Their body is covered with hairs. |
|
2. Beak is present and teeth are absent. |
2. Teeth are present but beak is absent. |
|
3. Their Forelimbs are modified for walking. |
3.Their forelimbs are modified for various activities like walking, crawling, jumping etc. according to the type of mammal. |
|
4.They have hollow bones for flying. |
4.They do not have hollow bones. |
|
5.They have streamlined body. |
5.Their body is not streamlined , except in whales. |
| 6. For example: pigeon, duck, sparrow, penguins etc. |
6. For example: rat, bat, whale, dolphins etc. |
