Adenosine slows down neuronal, so adenosine is what?

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line

Which of these is not a nucleotide base found in dna?