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What was the order of evolution of life on Earth?

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What was the order of evolution of life on Earth?

These are the Hadean (4.6 billion to 4 billion years ago), the Archean (4 billion to 2.5 billion years ago), the Proterozoic (2.5 billion to 541 million years ago), and the Phanerozoic (541 million years ago to the present).

What is the timeline of evolution?

The basic timeline is a 4600 million year old Earth with: 4000 my (million years) of simple cells; 3000 my of photosynthesis; 2000 my of complex cells; 1000 my of multicellular life; 600 my of simple animals; 500 my of fish and proto-amphibians; 475 my of land plants; 400 my of insects and seeds; 360 my of amphibians; …

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What are the major events in the history of life on Earth?

4600 mya (million years ago) – Planet Earth formed.

  • 4500 mya – Earth’s core and crust formed.
  • 4400 mya – The Earth’s first oceans formed.
  • 3850 mya – The first life appeared on Earth.
  • 1500 mya – Oxygen began to accumulate in the Earth’s atmosphere.
  • 700 mya – The first animals evolved.

    • What period did life begin?

    The earliest time that life forms first appeared on Earth is at least 3.77 billion years ago, possibly as early as 4.28 billion years, or even 4.41 billion years—not long after the oceans formed 4.5 billion years ago, and after the formation of the Earth 4.54 billion years ago.

    How long ago did the first humans appear on Earth?

    Bones of primitive Homo sapiens first appear 300,000 years ago in Africa, with brains as large or larger than ours. They’re followed by anatomically modern Homo sapiens at least 200,000 years ago, and brain shape became essentially modern by at least 100,000 years ago.

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    When did humans appear on Earth?

    Where did the first humans originate?

    Africa
    Modern humans originated in Africa within the past 200,000 years and evolved from their most likely recent common ancestor, Homo erectus, which means ‘upright man’ in Latin. Homo erectus is an extinct species of human that lived between 1.9 million and 135,000 years ago.