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When during the cell cycle do chromosomes first become visible?
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Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?
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Which of the following human activities resulted in the growth of the north american deer population?
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Biology, 22.06.2019 10:50
Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
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Biology, 22.06.2019 13:00
What do you need to use in order to work as an environmental scientist? you need to use the scientific method and__ in order to work as an environmental scientist.
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When during the cell cycle do chromosomes first become visible?...
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