Biology, 09.09.2019 21:30 damientran
Why is it important that scientists conduct multiple observations during an experiment?
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What is the next step in muscle contraction after the actin changes shape? (apex)
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Biology, 22.06.2019 11:30
Nucleic acids offer variability because they contain alternate forms of genes called .
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Biology, 22.06.2019 17:00
As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?
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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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Why is it important that scientists conduct multiple observations during an experiment?...
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