The panspermia hypothesis proposes that life did not, Ask an Expert

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Question: The “panspermia” hypothesis proposes that life did not originate on Earth, but instead arose else where in the galaxy. According to the hypothesis,cells arrived on Earth via meteorites or pieces of comets that fell to Earth form space. Is panspermia a plausible alternative to other hypotheses for the origin of life on earth?What kinds of evidence would provide support for the panspermia hypothesis?

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Category:- Biology
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