When a population becomes isolated from predators, natural selection can lead to significant evolutionary changes, such as the Virginia opossum population on an island off Georgia evolving lifespans up to 50% longer than mainland opossums over thousands of years, demonstrating how environmental pressures shape biological traits.
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Opossum. The animal that has not changed for 70 MILLION year.Ajouté :
On an island [music] off the coast of Georgia, isolated from predators for thousands of years, one opossum population evolved lifespans [music] up to 50% longer than mainland opossums.
Without [music] anything trying to kill them, the biology simply changed. The opossum survives by being ignored, [music] underestimated, and left for dead.
It has been doing this for 70 million years.
That's all about the Virginia opossum.
Let's move towards [music] our last animal.
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