“ It has already been stated that various parts in the same individual, which are exactly alike during an early embryonic period, become widely different and serve for widely different purposes in the adult state. ”
Charles Darwin, On The Origin of Species (1859). copy citation
Author | Charles Darwin |
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Source | On The Origin of Species |
Topic | adult embryo organic |
Date | 1859 |
Language | English |
Reference | |
Note | |
Weblink | http://www.gutenberg.org/files/2009/2009-h/2009-h.htm |