Animal Enigmas
TED Radio Hour
00:00
The Evolution of a Bug
These are xylem sap feeders. You know, that's what this particular shop shooter feeds on. And xylem is just 95% water. It just has a few minerals. So they have to glug, you know, 300 times their body weight. The reason they're drinking so much is because they need energy,. But they have to come up with an energy efficient way to excrete this.
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