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gh0stwriter88 t1_it7jgcb wrote

Reply to comment by Niven42 in Is building dams a learned behaviour for beavers? by Snoo-82132

FYI beavers don't eat trees. The actually eat soft vegetation.

If it were emergent behavior it would be to keep their teeth short... since they dont' stop growing but you have more a chicken and egg problem there than a nice happy emergent behavior example.

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5Quad t1_it7yy5u wrote

Don't nearly all rodents have the teeth issue? So it would be reasonable to assume that the teeth growing/gnawing came way before dam building behavior.

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gh0stwriter88 t1_it8g3yl wrote

Withing the context of emergent behavior theory that would be a valid conclusion I think.... I'm a creationist myself so I have different ideas but, as I said in the earlier comment it would probably be some gnawing behavior due to teeth (but that gets into the discussion of did long growing teeth or gnawing occur first etc.. if you aren't a creationist anyway).

Also I believe rodents aren't the only genus to have long growing teeth or tusks that are maintained by wear and instinct. (which implies potential for parallel evolution or design)

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