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Biology, 21.06.2019 18:00
Cells tend to have a relatively small and uniform size. why aren’t cells larger?
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Biology, 21.06.2019 21:00
In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected
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Biology, 22.06.2019 06:00
In the practice of science, this type of reasoning is used to develop explanations.
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Biology, 22.06.2019 09:30
How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?
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Han’s younger sister is riding her tricycle in a straight line. Her speed is 2.5 m/s. After 5 second...
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