However, with the beginnings of biological taxonomy in the late 17th century, Western biological thinking was influenced by essentialism, the belief that every species has essential characteristics that are unalterable, a concept from medieval Aristotelian metaphysics that fit well with natural theology.
Every species has essential characteristics. This was what western biological thinking was influenced by essentialism with the beginnings of biological taxonomy in the late 17th century. These essential characteristics are unalterable. Essential characteristics were a concept from medieval Aristotelian metaphysics. This concept from medieval Aristotelian metaphysics fit well with natural theology. These Essential characteristics are unalterable. Essentialism was the belief.