Discuss the indistinct question in tree of evolution.
YAN Xi-hai,LUO Mao-chun,LI Yan(Department of Biology Longyan' College, Longyan 364000,China)
The tree of evolution is a special form in evolution. It's an important achievement in the theory of evolution study ,but there are also some indistinct in the tree of evolution. This paper according to the achievement of modern biology , the theory of evolution and palaeontology to discuss the indistinct question and. study meaning.