Biology, 17.02.2020 20:51 wrightlilybug07
Since the Pleistocene ice age, deserts have been gradually forming in the southwestern United States. As the original lakes and rivers of this area shrank into isolated streams, ponds, and springs, the fishes living in them developed a strong potential for .(A) speciation.(B) hybridization.(C) mechanical incompatibility.(D) temporal isolation.(E) hybrid inviability.
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Biology, 21.06.2019 20:00
If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger
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Biology, 22.06.2019 02:00
Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .
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Biology, 22.06.2019 06:40
Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d
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Biology, 22.06.2019 07:00
Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?
Answers: 1
Since the Pleistocene ice age, deserts have been gradually forming in the southwestern United States...
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