Birds Narrow and hollow wings
By rutaja2004, Updated
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Birds solid and hollow wings Which ones will survive? Rutaja Kulkarni
There were solid wings and hollow wings birds all living together in a population.
The hollow bird wings had an advantage by being very light, this made it easier for them to fly.But it was hard for the solid birds to get their needs because they can't fly correctly.
The solid wing birds could not get their needs because they did not have the trait to survive in the environment.So sadly they did not live long and died eventually.The hollow wing birds still live on to survive and produce offsprings.The hollow birds became the fittest.
The population changed over time(Evolution) by not including any solid wing birds.Instead, the population included only hollow birds.
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