Theory of Evolution: Origin of Life

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Questions and Answers

What is evolution?

Evolution is a gradual change in living organisms over time, leading to the diversity of species.

How is the Solar System formed?

The solar system is formed by cosmic clouds, commonly known as the solar nebula.

What does the solar nebula contain?

The solar nebula contains a central protostar (sun), planets, moons, and asteroids.

What is a planetesimal?

<p>Planetesimals are surrounded by a spinning disk of material.</p> Signup and view all the answers

How old is the universe?

<p>The universe is approximately 13.8 billion years old.</p> Signup and view all the answers

What is cosmology?

<p>Cosmology is the study of the universe.</p> Signup and view all the answers

How old is the Solar System?

<p>The Solar System is approximately 4.6 billion years old.</p> Signup and view all the answers

How old is the Earth?

<p>The Earth is approximately 4.5 billion years old.</p> Signup and view all the answers

What is Abiogenesis?

<p>Abiogenesis is a scientific theory that life arose from non-living matter through natural processes. It suggests that simple organic molecules gradually form more complex structures, eventually leading to the emergence of life.</p> Signup and view all the answers

Flashcards

Evolution

Gradual change in living organisms over time, leading to diversity of species.

Solar System

Formed by cosmic clouds, also known as solar nebula.

Universe

Includes planets, moons, asteroids, surrounded by a spinning disk; formed from a solar nebula.

Cosmology

The study of the origin of the universe

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Abiogenesis

Scientific theory that life arose from non-living matter through natural processes.

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Solar Nebula

Central protostar (Sun) formed from solar nebula.

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Age of Earth

Origin of Earth

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Age of Universe

Origin of the universe

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Study Notes

  • 1st unit: Theory of Evolution

Origin of Life

  • Evolution is a gradual change in living organisms over time
  • Leading to the diversity of species
  • Solar System formed by Cosmic clouds commonly known as Solar nebula

Universe

  • Solar nebula: Central protoplanet (Sun), Planets, moon, asteroids, Earth)
  • Form Planetesimal surrounded by a spinning disk of nebula
  • Origin of Universe: 13.8 billion years ago
  • Study of Universe: Cosmology
  • Origin of Solar System 4.6 billion years ago
  • Origin of Earth 4.5 billion years ago

Abiogenesis

  • Scientific theory that life arose from non-living matter through natural processes
  • Suggests simple organic molecules gradually transform into more complex structures
  • Eventually leading to the emergence of life

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