The origin of life on Earth

Discovery Science: Origins Of Life – First Living Cells

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Earth Science: Origins Of Life – First Living Cells Over the past 3.5 billion years, living things have developed from simple cell structures to complex multicellular and higher organisms. The first cell-like structures were the protobionts, from which it was a clear path to prokaryotes-the first true cells. Prokaryotes: the first cells The first prokaryotes … Read more

Earth: The Origins of Life

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Discovery Science: The Origins of Life In the beginning, Earth was a boiling, fiery ball. Conditions improved gradually as it cooled down and eventually the primordial soup of inorganic compounds generated complex, organic molecules-the source of all life. A primordial atmosphere of hydrogen and helium existed even in the earliest phase of the Earth’s existence. … Read more