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To maintain homeostasis of its body fluids, a frog in freshwater would have to
Q8: Active immunity results from injecting<br>A)a harmless form
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Q25: Having a sustainable impact on the Earth
Q38: In human embryos, the skeleton starts out
Q55: _ biomes are characterized by slowly flowing
Q67: If you were a bird about to
Q69: The first single-celled organisms arose 3.5 _
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Q78: Many longevity-enhancing nutrients such as fiber and