Sentences with phrase «beak shape as»
Two species of finch in the Galápagos Islands diverged in beak shape as they adapted to different food sources.
https://www.sciencedaily.com/ Not exact matches
Among his strongest points is that observations that demonstrate gradual evolutionary changes in specific characteristics (beak shape of finches, color of forest moths, for instance) do not establish how gradual changes could bring about major evolutionary transitions that require concerted functioning of many specialized organs — such as the change from arboreal mammals to night - flying bats, or the origin of life.
For what a presence he was, that snow - white fisherman With the long golden beak and the black stick legs, Whether preening his wind - riffled feathers As he stood on his bright - orange water temple (That pi - shaped torii that floated like a spirit), Or flapping prehistorically across the pond To stalk and stab in the dark water Plucking with dagger bill a twitching minnow.
Once the paint had dried, I taped two handprints to the plate as wings, drew on feet and a beak (or you could use card cut to shape), stuck on googly eyes, and added a few feathers at the top of the head.
Adaptationism certainly appears to hold true in microevolution — small - scale evolutionary change within species, such as changes in beak shape in Galapagos finches in response to available food sources.
Working with DNA samples collected by the Grants, researchers at Uppsala identified the gene that influences beak shape by comparing the genomes of 120 birds, all members of the 15 species known as «Darwin's finches.»
If beak shape changes, he reasoned, it might mean that the bird can't sing the same old song — just as a flute and a tuba sound different.
The Grants have shown «evolution in action» as generations of finches living on the various islands respond to dry or wet conditions bye changing the shape and function of their beaks as respond to drought or normal conditions.
Although the tray of the cage acts as a bathroom for birds, they still need items that will keep their beak, nails and feathers in good shape.
Representing the spirits of deities, animals, natural growths and deceased ancestors, the dolls are often made from cottonwood root, featuring crescent - shaped mouths, beaks or snouts, as well as bird wings, feathers, and animal horns.
We've seen some incredible uses of biomimicry, from looking at how a birds» beak is shaped for a solution to improve the aerodynamics of a train to looking at how ants swarm on enemies as a solution for computer security.