The answer is II.Sexual reproduction results in more diversity
yes, coral polyps are a keystone species. it would be a keystone species because it is important in order for the coral to thrive.
James Watson is credited with the discovery is the stricture of DNA.
he gibe the 3D structure of DNA in 1962 ,
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A eukaryotic cell has far more organelles and most prominently, has a nucleus. A prokaryotic cell stores it's DNA in it's cytoplasm.
