Stacy's home is sprayed with a pesticide to control spiders. she didn't see any spiders for a period of time, but eventually, she began to see the spiders again. the next time the exterminator sprayed her house, they used the same pesticide, and it had no effect on the spiders. what is the best way to explain this change in survivorship of the spider population? a. the spiders with pesticide-resistant traits survived and reproduced. b. the original spider population did not pass on their genes to their offspring. c. the original spider population was not very diverse. d. the spiders learned to avoid the pesticide.