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Film summary
Darwin's theory of Natural Selection reveals an intense struggle for existence: a constant fight between individuals, species, and their physical environment, where only the fittest survive.Key facts
- Natural selection is nature's way of ensuring the fittest survive.
- Individuals vary, and these variations are inherited.
- Those most suited to their environments survive and go on to reproduce.
- In this way the genes most necessary for survival are passed on from generation to generation.
Transcript
The theory of evolution is the cornerstone of biology.
It reveals how all living things are related, in a family tree of life, that stretches back over 3 billion years.
All descended from the same common ancestor.
Evolution:
Descent with modification
The main process driving this evolution was famously proposed by Charles Darwin, over ...
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