1 : the development of life from preexisting life. 2 : the synthesis of chemical compounds or structures in the living organism — compare biosynthesis.

What are examples of biogenesis?

Biogenesis is any process by which lifeforms produce other lifeforms. For example, a spider lays eggs that become other spiders.

What is the principle of biogenesis?

The principle that a living organism can only arise from other living organisms similar to itself (i.e. that like gives rise to like) and can never originate from nonliving material. Compare spontaneous generation. From: biogenesis in A Dictionary of Biology »