Summary of Breve historia de la vida en la Tierra | COLABORACIÓN (Día de la Tierra) |

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This video focuses on the history of life on Earth and how it has evolved over time. It highlights the importance of preserving our planet and its many species of plants and animals.

  • 00:00:00 The Earth is the only planet known to harbor life, and on it, there are an estimated 10 million different species of animals and plants. But this was not always the case. DIA DE LA TIERRA (BREVE HISTORIA DE LA VIDA EN LA TIERRA) 4.600 million years ago, the Earth was formed. At the time, the planet was was constantly being hit by pieces of rock from the solar system, generating large amounts of heat. As the planet gradually cooled, the ocean began to form, and in them, as in the atmosphere, there were many chemical compounds that led to small organic molecules and finally to life. The first living organisms appeared 3.800 million years ago. They were prokaryotes, one of the simplest forms of life. Organisms without a nucleus, probably similar to bacteria found today in sources of hydrothermal fluids. Life evolved slowly until 1.800 million years ago, when it experienced a golden age of biological diversity. Then, in the course of millions of years, many different species of life began to emerge. Bacteria like those found today in water sources began to evolve 2.500 million years ago.
  • 00:05:00 This video is part of a collaborative effort called "El día de la Tierra" which focuses on the nature and our planet Earth. Various speakers discuss topics related to nature and the planet Earth in short, engaging videos. This video specifically focuses on the human impact on the environment and how we might be facing an extinction event. However, even if humans disappear from the face of the Earth, it is very likely that new forms of life will emerge as Earth has seen many changes in the past. This video is a contribution to making a world with more science. Thank you for watching!

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