Definitions

1. adjective

relating to or derived from the interaction of living organisms and their environment, especially in the context of the origin of life on Earth

“The biogenetical processes that occurred on early Earth led to the emergence of complex life forms.”

2. noun

a theory or explanation of the origin of life on Earth, based on the interaction of living organisms and their environment

“The biogenetical theory suggests that life on Earth arose from a primordial soup of organic compounds.”