What did early Greek thinkers believe about the origin of life?

Step-by-step solution

Early Greek thinkers thought units of life called spores were transferred to different planets including earth . ‘Panspermia’ is still a favourite idea for some astronomers. For a long time it was also believed that life came out of decaying and rotting matter like straw, mud, etc. This was the theory of spontaneous generation . Louis Pasteur by careful experimentation demonstrated that life comes only from pre-existing life. He showed that in pre-sterilised flasks, life did not come from killed yeast while in anot