A. All the ideas of Special creation theory were strongly challenged during the eighteenth century.
B. Based on observations made during a sea voyage in a sail ship called H.M.S. Beagle round the world, Charles Darwin concluded that existing living forms share similarities to varying degrees not only among themselves but also with life forms that existed millions of years ago; many such life forms do not exist anymore.
C. There had been extinctions of different life forms in the years gone by just as new forms of life arose at same periods of history of earth.
D. Any population has built in variation in characteristics.
Solution & Explanation
No details explanation available for this question. Option B is the verified correct answer.