What are the differences in the sets of alleles between individuals in a population

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

On his trip to the galapagos islands, darwin determined that animals on the islands