A farmer is spraying his crops with a specific pesticide. He notices a drastic decrease in the insect population, so he uses the same pesticide the next year. This time, more insects survive. The next year, almost no insects are killed by the pesticide. Why is this happening?
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Biology, 22.06.2019 03:00, moneyyfletcher
Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?
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Biology, 22.06.2019 19:30, destinywashere101
Which sets of mrna codons could genetically come for a protein with the following amino acid composition
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Biology, 23.06.2019 00:30, queensnowflake32
Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days, followed by 7 days when no hormones are ingested. which of the following statements most accurately describes the effects of birth-control pills? -birth-control pills maintain constant levels of estrogens and/or progesterone so there is no surge in lh and ovulation does not occur.-birth-control pills inhibit the development of the uterine lining so implantation of a fertilized oocyte cannot occur.-birth-control pills maintain constant levels of estrogens and/or progesterones and mask the release of the oocyte from the follicle.-the 7 days with no hormones does not allow a thick enough uterine lining to form so a fertilized oocyte cannot implant.
Answers: 2
A farmer is spraying his crops with a specific pesticide. He notices a drastic decrease in the insec...
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Mathematics, 08.11.2019 07:31