Explain with the help of an example each, how homologous organs provides evidences in favour of evolution
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(1) Those organs that have same internal structure but different functions are called homologous organs
(2) For ex, the basic design of internal structure of bones or fore limbs of a frog, lizard, bird, bat and man is same, even that all these organs perform different functions.
(3) This indicates that all these forelimbs have evolved from a common ancestral animal, which had a same basic internal structure.
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