Generation of Animals

Generation of Animals, written by Aristotle in the 4th century BCE, is a foundational text in biology that examines the processes of reproduction and embryonic development in various species. The work is divided into five books, covering topics such as sexual parts, semen, embryo development, and the distinctions between necessity and final causes. Notable for its influence on later biological thought, Aristotle's observations laid the groundwork for future studies in genetics and heredity. The text is significant for its early exploration of teratology and the classification of animals.