Question

select the box that is not an early theory on the origins of life.
panspermia
spontaneous generation
natural selection
biogenesis

Explanation:

• Panspermia is an early theory proposing life arrived on Earth from space.
• Spontaneous generation is an early idea that life arises from non-living matter.
• Natural Selection is a theory explaining how existing life evolves, not the origin of life.
• Biogenesis is an early theory stating life only comes from pre-existing life.

Answer:

Natural Selection