rested mosquitoes was sprayed weekly with the insecticide DDT of several months. Daily counts providing nformation on mosquito population size are represented in the graph pelow. Which statement best explains why some mosquitoes survived the First spraying? *
rested mosquitoes was sprayed weekly with the insecticide DDT of several months. Daily counts providing nformation on mosquito population size are represented in the graph pelow. Which statement best explains why some mosquitoes survived the First spraying? *
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Transcribed Image Text:9. A small community that is heavily infested with mosquitoes was sprayed
weekly with the insecticide DDT of several months. Daily counts providing
information on mosquito population size are represented in the graph
below. Which statement best explains why some mosquitoes survived the
first spraying? *
10,000
5,000
1 2 3 4 5 6 7 8
Months
The weather in early summer was probably cool
Natural variation existed within the population
Most of the mosquitoes were of reproductive age
Environmental factors varied slightly as the summer progressed
Daily Mosquito Count
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