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Biology, 21.06.2019 16:20
Which element is used in photosynthesis found in atmosphere and fixed by bacteria?
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Biology, 21.06.2019 19:50
Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?
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Biology, 21.06.2019 20:20
Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth
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Biology, 22.06.2019 07:00
Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.
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interpreting graphics the biodiversity hot spots shown in figure 9 share several characteristics bes...
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