Biology, 21.03.2020 02:46 jjjjjjjbvhnchjkj
Explain why the air pressure, density, and temperature are the lowest and highest in the following example a house at sea level in a mountain cabin at 7,000 feet
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Biology, 21.06.2019 17:20
What protects the lining of the stomach from acidic gastric juices?
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Biology, 21.06.2019 20:00
Read the following scenario to answer the following question. over the past 60 years, many amphibian species have experienced significant population declines, and some species have become extinct. scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. however, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. these global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. in switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. when most populations of a wide-ranging amphibian species are lost and the few remaining populations are widely separated, we expect to see that a. the founder effect becomes increasingly important b. microevolution no longer occurs c. gene flow between populations is reduced d. artificial selection becomes a greater factor in microevolution
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Biology, 22.06.2019 06:30
The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius
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Biology, 22.06.2019 10:30
Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?
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Explain why the air pressure, density, and temperature are the lowest and highest in the following e...
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