Which statement best describes the plasma membrane
A. It is selectively Permeable to cer...
Which statement best describes the plasma membrane
A. It is selectively Permeable to certain substances.
B. It’s rigidity does not allow materials to enter the cell.
C. It is nonpermeable to substances outside of the cell.
D. It is freely permeable to all substances.
Answers: 2
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Explain the importance of producers, primary consumers, secondary consumers. and decomposers in an ecosystem
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Aplant may open end close its stomata to prevent excess water loss and maintain
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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.
Answers: 1
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