The fossil record contains no trace of these preliminary stages in the development of many-celled organisms.


Red Giants and White Dwarfs: The Evolution of Stars, Planets, and Life (ed. 1967)

Robert Jastrow Quotes

The fossil record contains no trace of these preliminary stages in the development of many-celled organisms.

The fossil record contains no trace of these preliminary stages in the development of many-celled organisms.

The fossil record contains no trace of these preliminary stages in the development of many-celled organisms.

The fossil record contains no trace of these preliminary stages in the development of many-celled organisms.