Explain the evolution of eye in different organism?
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The evolution of the eye has attracted significant study, with the eye distinctively exemplifying an analogous organ present in a wide variety of animal forms. Complex, image-forming eyes have evolved independently some 50 to 100 times.[1]
Complex eyes appear to have first evolved within a few million years, in the rapid burst of evolution known as the Cambrian explosion. No evidence of eyes before the Cambrian has survived, but a wide range of diversity is evident in the Middle Cambrian Burgess shale, and in the slightly older Emu Bay Shale
Complex eyes appear to have first evolved within a few million years, in the rapid burst of evolution known as the Cambrian explosion. No evidence of eyes before the Cambrian has survived, but a wide range of diversity is evident in the Middle Cambrian Burgess shale, and in the slightly older Emu Bay Shale
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At the same time, the pit's opening gradually narrowed, so light entered through a small aperture, like a pinhole camera. ... Eventually, the light-sensitive spot evolved into a retina, the layer of cells and pigment at the back of the human eye. Over time a lens formed at the front of the eye.
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