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Biology, 22.06.2019 03:30
Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent
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Biology, 22.06.2019 08:30
What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna
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Biology, 22.06.2019 12:00
Can a trait be both polygenic and have multiple alleles? explain why or why not.
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Biology, 22.06.2019 15:50
Polar zones are cold and tend to be dry because of a pressure system of cold. low high
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Computers and Technology, 18.03.2020 23:37
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English, 18.03.2020 23:38
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English, 18.03.2020 23:38
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