PLZ ANSWER DIS
Asked by | 25th Feb, 2010, 10:41: AM
The animals possessing homologous organs are the diverging descendents of one common ancestor. The organ underwent modification to help the organisms better adapt to their environment.
Anologous organs help us distinguish relationships between organisms and functions which are similar but belong to a a different phylogenetic type For example, wings of bat and a bird are similar in appearance and function but they are internally very different and have different origins. The similar structure must have arose independently at different times to facilitate the same function.
Answered by | 25th Feb, 2010, 05:44: PM
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