Evolution

A deer with a neck that was longer by half
Than the rest of his neighbors - try not to laugh -
By stretching and stratching became a giraffe
Which nobody can deny

- Lord Charles Neaves (1868)

Key words or concepts:

Three scientists:

Lamarck
Darwin
Mendel

Articifial selection
natural selection (survival of the fittest)
Why do we have sex?

Useful links:

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