Panspermia, an idea that is still a favorite for some astronomers, means:
Creation of life from dead and decaying matter
Creation of life from chemicals
Origin of sperm in human testes
Transfer of spores as a unit of life from other planets to Earth
early Greek thinkers believed that units of life called spores were transferred to different planets including Earth. This theory, suggesting life came from outer space, is known as Panspermia and is still a favorite idea for some astronomers . Option 1 refers to the theory of spontaneous generation, and Option 2 refers to chemical evolution.
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