The cell that has the nucleus is eukaryotic and the cell that doesn't have a nucleus is eukaryotic
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The atmosphere is divided into different regions, called layers. The layer closest to the surface is known as troposphere, after which comes the stratosphere. The stratosphere begins at an altitude of 10 miles above the surface of the earth and stretches up to 31 miles above the surface of the earth. It is the second layer of the atmosphere (beginning from the surface of the earth) and it is the region which contains ozone, which plays a vital role in stopping ultraviolet radiation from reaching the earth's surface.
Because in your area they might have the perfect habitat but in other places like NYC they dont have the access to food and water they do where you live.
yes, his conclusion is supported by evidence from his experiment