A paleontologist holds the thread of evolution in his hands by combining the biological and geological evidence in fossils.
The Ocean World of Jacques Cousteau: The Adventure of Life, Chapter I (p. 13), The World Publishing Company. 1973
A paleontologist holds the thread of evolution in his hands by combining the biological and geological evidence in fossils.
The Ocean World of Jacques Cousteau: The Adventure of Life, Chapter I (p. 13), The World Publishing Company. 1973