1.How does chemical evolution explain the origin of life on Earth? 2.Explain why scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record.
3.How can scientific theories on evolution and the fossil record change over time?
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The two types of passive transport are diffusion and osmosis. Diffusion is the movement of molecules across a membrane from an area of high concentration to an area of low concentration, occurring with or without the help of membrane proteins. Osmosis is the diffusion of water molecules.