Aristotle believed that features of living organisms showed clearly that they had what he called a final cause, that is to say that their form suited their function.
Aristoteles meyakini bahwa fitur-fitur organisme kehidupan menampilkan jelas bahwa mereka memiliki apa yang ia sebut sebab akhir, yang menyatakan bahwa bentuk mereka menyesuaikan fungsi mereka.