AP BIOLOGY

Detailed explanation-1: -Spontaneous generation theory is an archaic scientific theory which stated that living organisms could arise from nonliving matter and that such a process was regular in nature. It also explained the origin of life from the nonliving subjects.

Detailed explanation-2: -Spontaneous Generation Theory Aristotle theorized that non-living matter contained a “vital heat” called pneuma-the concept of a “breath of life” and translated later as “anima” meaning “soul” in Latin-and a combination of the four elements believed to make up all life: earth, air, fire and water.

Detailed explanation-3: -abiogenesis, the idea that life arose from nonlife more than 3.5 billion years ago on Earth. Abiogenesis proposes that the first life-forms generated were very simple and through a gradual process became increasingly complex.