For this week's Ask Science Mike, we address the following questions: How many humans are needed to populate the Earth? How can random mutation create diverse species? How could evolution create an eye? How do we know macroevolution occurs? Does evolution have a goal?
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Here are some resources on each answer if you'd like to dig deeper.
How many humans are needed to populate the Earth?
Minimum Viable Population
Easy Human Population Size
Magic Number for Space Pioneers
How can random mutation create diverse species?
How could evolution create an eye?
Scientific American on the Evolution of the Eye.
How do we know macroevolution occurs?
Evolution at different scales: micro to macro
Does evolution have a goal?
Ask Science Mike is produced by Gregg Nordin.
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