Age Of Life On Earth at Life

Age Of Life On Earth. In the beginning, survival was difficult for any life forms. The millions and billions of years of earth’s history summary the earth is around 4.55 billion years old.

The earliest fossil evidence of life on earth dates to 3.7 billion years ago. Independent scientific methods consistently give an age for earth and the solar system of about 5 billion years, and an age for our galaxy and the universe that is two to three times greater. The phanerozoic represents a relatively brief period of time (brief that is relative to the age of the earth and the universe) that constitutes.

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The old age of the earth is evidence for evolution, a change in the genetic makeup of a population over. Galapagos tortoises are the product of over 3 billion years of evolution. The earliest undisputed evidence of life on earth dates from at least 3.5 billion years ago, and possibly as early as the eoarchean era (between 3.6 and 4.0 billion years ago), after geological crust started. The history of life on earth is a very lengthy process.