EVOLUTION
THE ORIGIN OF LIFE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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They developed a resistance to the chemical after lots of exposure
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They absorbed the chemical and broke it down
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They had a genetic variation that made them resistant
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They gained a resistance by feeding on dead mosquitos
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Detailed explanation-1: -The District uses permethrin, a synthetic form of pyrethrum, and malathion to control adult mosquitoes when dispensed by truck-mounted sprayers. In instances when mosquito populations are high and cover a large area, the District will employ aircraft to spray for adult mosquitoes.
Detailed explanation-2: -aegypti mosquitoes can be genetically modified and used to control other Ae. aegypti mosquitoes in a community. In the United States, the U.S. Environmental Protection Agency (EPA) has authorized use of OX5034 GM Ae. aegypti mosquitoes for release in counties in Florida and Texas.
Detailed explanation-3: -Chemical control involves the application of products designed to kill mosquitoes, either in the larval stage through physical damage or hormonal disruption, or in the adult stage through nervous system disruption.
Detailed explanation-4: -The Sterile Insect Technique (SIT) is a species-specific and environmentally benign method for insect population suppression, it is based on mass rearing, radiation mediated sterilization, and release of a large number of male insects.