Dictionary » K » Keel



(Science: botany) a ridge like the keel of a boat, in particular, a boat-shaped structure formed by fusion of the two anterior petals of a flower.

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Dinosaur Confusion

... (also insulation, protection of young, intimidation displays, etc). I don't think it flew. Perhaps it glided. A key characteristic of birds is the keeled breast-bone. Interestingly enough, pterodactyls independently evolved keeled breast-bones before they went extinct. The keeled breast bone is ...

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by AstusAleator
Fri Mar 03, 2006 8:09 pm
Forum: Evolution
Topic: Dinosaur Confusion
Replies: 32
Views: 25131

Bird Flu

lol nyam nyam. Did he keel over and die yet? :)

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by mith
Fri Oct 28, 2005 5:14 am
Forum: Human Biology
Topic: Bird Flu
Replies: 37
Views: 12471

i wish i had a heart

... radiation or something into the heart, disrupt the elecrical activity and bring it to a dead stop without any wounding. how long, then, before you keel over??

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by Anonymous
Thu May 26, 2005 12:25 pm
Forum: Human Biology
Topic: i wish i had a heart
Replies: 6
Views: 4506

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