[坎贝尔生物学 第574页] Campbell Biology 12th Edition
25 The History of Life on Earth KEY CONCEPTS 25.1 Conditions on early Earth made the origin of life possible p. 526 25.2 The fossil record documents the history
25 The History of Life on Earth KEY CONCEPTS 25.1 Conditions on early Earth made the origin of life possible p. 526 25.2 The fossil record documents the history