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What is convergent evolution?

Updated: 8/11/2023
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13y ago

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Convergent evolution is when various species evolve similar solutions to similar evolutionary pressures, independently and often at different times in the earth's history. A good example is the Ichsyosaurous(swimming dinosaur), sharks, and dolphins. All of them evolved with a very similar torpedo shaped body. Another example is the eyes of octopi and humans. They are alike in structure and function.

The rare Tasmanian Beech tree is the only true deciduous tree in Australia, and was long thought to be a relative of the northern hemisphere species, but study of its DNA shows that its origions date back to the Gondwana-southern supercontinent. So, the leaf shedding strategy evolved seperately in both hemispheres, another example of convergent evolution.

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Q: What is convergent evolution?
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