Abird’s air sacs enable it to obtain fresh oxygen when it both inhales and exhales.
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Ascientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the
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Why do oceanic plates tend to subduction when colliding with a continental plate
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Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.
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The hardy-weinberg principle is that genetic frequencies in a population? will remain stable from generation to generation will always be changing will not be affected by environmental changes are always in a 3: 1 ratio
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