Life on Earth is only one version, and it may be unique in other planets of other solar systems across our galaxy as the accurate combination of elements, the qualities of our orbit, sun and moon are different. No other planet would be exactly the same as Earth. […]
Two animals can be similar because they shared a recent common ancestor. Wolves and coyotes are similar because they share a recent common ancestor. Humans and chimpanzees, it’s not accidental that we look very similar because we have a relatively recent common ancestor.