New folderNew folderogy Posttest Spring 2021Question 32II PauseZoomA man treated his home with a pesticide that kills roaches. The first application of thepesticide killed 92% of the roaches. Two months later, he applied the same pesticide tohis home again, but the second application killed only 65% of the roaches.What would best explain the decrease in the effectiveness of the pesticide?The pesticide is effective only against mature roaches.The pesticide caused some of the roaches to mutate and metabolize the pesticide.The pesticide lost its effectiveness over a period of timeThe surviving roaches were naturally resistant to the pesticide and that resistance was inherited by their offspring02021 luminate EducationM Inc.

Mutations are the abrupt changes in the DNA which may cause the gene or the DNA to change its…

of the later, he applied the same pesticide to But the second application killed only 65% of the roaches. ould best explain the decrease in the effectiveness of the pesticide? A The pesticide is effective only against mature roaches. The pesticide caused some of the roaches to mutate and metabolize the pesticide. )C The pesticide lost its effectiveness over a period of time. The surviving roaches were naturally resistant to the pesticide and that resistance was inherited by ther

of the later, he applied the same pesticide to But the second application killed only 65% of the roaches. ould best explain the decrease in the effectiveness of the pesticide? A The pesticide is effective only against mature roaches. The pesticide caused some of the roaches to mutate and metabolize the pesticide. )C The pesticide lost its effectiveness over a period of time. The surviving roaches were naturally resistant to the pesticide and that resistance was inherited by ther

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter46: Ecosystems

Section: Chapter Questions

Problem 13RQ: Which term describes the process whereby toxic substances increase along trophic levels of an...

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Which term describes the process whereby toxic substances increase along trophic levels of an ecosystem? biomassification biomagnification bioentropy heterotrophy