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Biology, 22.06.2019 10:40
Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above
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Biology, 22.06.2019 18:00
Prokaryotic and eukaryotic cells are different in many ways other than the presence or absence of a nucleus. if both archaebacteria and eubacteria are prokaryotic cells, then why are archaebacteria more closely related to eukaryotic cells than they are to eubacteria?
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Biology, 22.06.2019 21:30
Adaptive radiations can be a direct consequence of four of the following five factors. selectthe exception. a) vacant ecological niches b) genetic drift c) colonization of an isolated region that contains suitable habitat and few competitor species d) evolutionary innovation e) an adaptive radiation in a group of organisms (such as plants) that another group uses as food
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Muscle contraction continues until nerve impulses cease and calcium ions are returned to their stora...
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