In an experimental procedure, the researcher has established multiple levels of a chemical, or amounts of light, or some other factor at the beginning of the experiment, in order to determine if and how much the biological system responds. the manipulated factor at varying levels is the
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Biology, 22.06.2019 00:10
Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation
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Biology, 22.06.2019 11:30
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
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In an experimental procedure, the researcher has established multiple levels of a chemical, or amoun...
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