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Biology, 22.06.2019 18:30
Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas
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Biology, 22.06.2019 18:50
Which if the following best describes why invertebrates isn’t considered a scientifically valid word when classifying animals
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Biology, 22.06.2019 20:30
Which type of mutation occurs in reproductive cells and can be passed to offspring? somatic mutation germline mutation point mutation frameshift mutation
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Biology, 22.06.2019 21:30
Azoologist is studying four very closely related feline species. she wishes to compare their gestation periods. an observational study is conducted where the zoologist observes the gestation period of 50 randomly selected felines in each species. a one-way anova test is run to test the hypothesis that the average gestation period is the same for each of the four species. a level of significance of 0.05 is used, and a p-value of 0.01 is calculated. based on this result, the conclusion that can be drawn is that:
Answers: 1
Biology, 02.04.2020 07:27
Computers and Technology, 02.04.2020 07:27
Advanced Placement (AP), 02.04.2020 07:28
History, 02.04.2020 07:28
Mathematics, 02.04.2020 07:28
Mathematics, 02.04.2020 07:28
Mathematics, 02.04.2020 07:29
Mathematics, 02.04.2020 07:29
Mathematics, 02.04.2020 07:29
Mathematics, 02.04.2020 07:30
History, 02.04.2020 07:30
Mathematics, 02.04.2020 07:30
Mathematics, 02.04.2020 07:30