Once simple life emerged, it gradually evolved into more complex forms, eventually giving rise to animals and plants. But that doesn’t seem to be what happened. After simple cells first appeared ...

This supports Darwin's theory of evolution, which states that simple life forms gradually evolved into more complex ones. Evidence for early forms of life comes from fossils. By studying fossils ...

This supports Darwin's theory of evolution, which states that simple life forms gradually evolved into more complex ones. Evidence for early forms of life comes from fossils. By studying fossils ...