Complex sentence: Eidonomy is the study of the external appearance of an organism, but while predominant early in the history of biology it is little studied in particular anymore as it is ripe with the effects of convergent evolution.
Split into simpler sentences: Eidonomy is the study of the external appearance of an organism. While predominant early in the history of biology it is little studied in particular anymore as it is ripe with the effects of convergent evolution.