I believe that the answer is B
Answer:
Adaptations develop from variations within a population and help organisms to survive in their given environment. Changes in populations accumulate over time; this is called evolution. The fossil record shows us that present-day life forms evolved from earlier different life forms.
The correct answer is that when a species is made up of different smaller groups, each of those smaller groups is known as a variety.
Ethanol is a fuel produced by fermenting crops
Welp you have to show the model...