- Early Ideas
- Spontaneous generation- the supposed production of living organisms from nonliving matter, as inferred from the apparent appearance of life in some supposedly sterile environments.
- Experiment of Francesco Redi-
- Experiment of Louis Pasteur- Is to see if broth had spontaneously generate
- Biogenesis- the synthesis of substances by living organisms.
- Modern Ideas
- Include the following sentences" Scientists hypothesize that two things happened before life could appear on Earth. The first is that there had to be organic molecules-molecules containing carbon. The second is that the organic molecules must have formed into more complex molecules such as proteins, carbohydrates, and nucleic acids. These are the materials that are absolutely necessary for life.
- Describe the experiment by Miller & Urey.
- The Evolution of Cells
- Earth's biota consisted of bacteria, archaea, and eukaryotic algae.
- Early Earth atmosphere changed cause of Photosynthesis
- Endosymbiont Theory-Compalled evidence that the mitochdria and chlorplast were once primitive bacterial cells.