You have isolated one of the genes for producing a blood-clotting protein needed by hemophiliacs. Explain how you could produce the protein using this technique.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

a chain link fence because there so tiny even my albino donkey can't get out