<span>In this guide to fast profits, Stephen Bigalow outlines his approach on how he became the successful businessperson he is today. HIs proprietary methods for evaluating assets and reading market trends are unmatched and are sure to lead to profitability for you and your company.</span>
Answer:
femur I am pretty sure. The skull sheilds your brain, your ribs for your heart and lungs. backbone spine
Explanation:
The answer to this question is "to put the two groups into the different environment" as a scientist separates a population of fruit flies into two groups and this would increase the rate of speciation in this population. This is the best solution that the scientist could do to increase the rate and get a more reliable result and observations.