In any population, more offspring are produced then can survive to reach reproductive age. Members of the population vary in form and behavior. Some heritable traits are more adaptive than others. Natural selection occurs in nature while differential reproduction is done my man. Natural selection acts on individuals while differential reproduction acts on populations.
Natural selection is differential reproduction.
None of the above. You determine the amino acid sequence of each protein and note the number of amino acid substitutions in each of the other five species. The results of your study can be seen in the box to the right. None of the above. You carefully propagate this plant asexually until you have 1 million plants.