Mammalogy (MAMMALS) with Danielle N. Lee
Ologies with Alie Ward
00:00
The Evolution of Life Expectancy
The reason why different things live a different times is not just about size, but it comes down to what's happening with them physiologically. So being large enables you to avoid a lot of predators and so big things don't have as many other things that can take them out. But little things live for a short period of time because part of it is their metabolism. Their metabolism is real fast. They're burning themselves up. We know that that can happen with some medical assistance. But without medical advances, we're back to only working with our call on evolutionary toolkit.
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