Answers

2015-01-17T23:13:37+05:30
1. limbs- found mostly in mammals and aves.

2. fins- found in pieces

3. appendages- found in bacteria.

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2015-01-17T23:35:41+05:30
* Birds --- wings
*Humans----- legs
* animals---- both legs and arms
*  insects---- wings(housefly...)  legs (ants)
*  reptiles -----  they usually crawl or by using their tiny crawled fingers
*  fish---  wings
*   bacteria --- cilia
etc.........
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