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22 August, 22:56

Directions: Do some research and find an example of natural selection (one that is not mentioned in the video). Summarize-in your own words-the example you found.

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  1. 22 August, 23:10
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    Here's an example: In an ecosystem, some giraffes have long necks and others have short ones. If something caused low-lying shrubs to die out, the giraffes with short necks would not get enough food. After a few generations, all the giraffes would have long necks.
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