what are homologous and analogous organs? how do they provide evidences in flacour of evolution?
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Convergent evolution is the independent evolution of similar features in species of different lineages. Convergent evolutioncreates analogous structures that have similar form or function but were not present in the last common ancestor of those groups.Following are some examples of homology: The arm of a human, the wing of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale are homologous structures. They are different and have a different purpose, but they are similar and share common traits.
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Homologous-----------
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Homology refers to the traits inherited by two different organisms from a common ancestry. Organs such as bat's wing, wings of birds, seal's flipper, forelimb of a horse, and human arm have a common underlying anatomy that was present in their last common ancestors; therefore their forelimbs arehomologous organs.
Analogous------------
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Analogous organs are the opposite of homologous organs, which have similar functions but different origins. An example of an analogous trait would be the wings of insects, bats and birds that evolved independently in each lineage separately after diverging from an ancestor without wings.
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Homology refers to the traits inherited by two different organisms from a common ancestry. Organs such as bat's wing, wings of birds, seal's flipper, forelimb of a horse, and human arm have a common underlying anatomy that was present in their last common ancestors; therefore their forelimbs arehomologous organs.
Analogous------------
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Analogous organs are the opposite of homologous organs, which have similar functions but different origins. An example of an analogous trait would be the wings of insects, bats and birds that evolved independently in each lineage separately after diverging from an ancestor without wings.
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