True: The oldest fossils are found in the deepest layer., Genetic mutations cause variation., Charles Darwin visited the Galapagos Islands., The best way to determine relationships between species is DNA., False: Gregor Mendel developed the theory of evolution., Antibiotics cause individuals to be resistant., Organisms produce less offspring than can survive., Competition leads to survival of the smartest.,

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?