Comic strip science
Storyboard Text
- The Panspermia theory
- The Panspermia Theory
- The Panspermia theory is the theory of how Earth formed 4.6 billion yrs. ago and how life emerged on Earth 3.8 billion yrs. ago.
- The Panspermia Theory is...
- Scientists think that asteroids came from other planets and carried unicellular organisms or bacteria, which soon evolved.
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- The unicellular (1 cell) organisms or bacteria evolved, changed over time, and became more and more diverse(different). Then eventually they became multicellular(many cells).
- How the bacteria or unicellular organisms evolved
- We can support this theory because first of all we know it's possible for asteroids to hit Earth, second of all we have tardigrades,extremely durable organisms that can survive in space.
- Evidence to support the theory.
- This proves that since the tardigrades can survive in space that organisms could've came from other planets. For example, other organisms, cyanobacteria gave our atmosphere oxygen.
- Proving how the asteroids could've carried bacteria or cells.
- This is why I think the Panspermia Theory has a more accurate description of how the Earth formed.
- The End
- By: Alex Zafra
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