Science Memes

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Polar Bear Dens (i.kym-cdn.com)

submitted 3 months ago by [email protected] to c/[email protected]

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[–] TheTetrapod 19 points 3 months ago (5 children)

I want to know how polar bears figured out that they need an air hole in their dens. Is that passed down instinctually or demonstratively? Animals are so cool.

[–] hakunawazo 27 points 3 months ago* (last edited 3 months ago)

Surely that was a suggestion by Saddam. Seems he was a really nice guy.

[–] [email protected] 13 points 3 months ago* (last edited 3 months ago)

The ones without that instinct died. That's how natural selection works.

[–] [email protected] 11 points 3 months ago

The ones that didn’t figure out didn’t breed and make more bears.

[–] [email protected] 9 points 3 months ago* (last edited 3 months ago) (1 children)

Bear who made more holes survived?

Btw, don't they get snowed shut?

[–] [email protected] 2 points 3 months ago

I think the heat produced by the bears keep the vents open, but that's an un-educated guess.

[–] shalafi 7 points 3 months ago

"Well this sucks, can't breathe."

Punches hole in roof to get air

"OK, that works. Come to think of it, that's how momma did it."

The second Jurassic Park book had a neat idea. What if much of the animal behavior we see is taught and not instinctual? The dinosaurs start fouling their poorly made nests and stomping all over their eggs because they didn't have parents to emulate or teach them. Been thinking on that for over 20 years.