1. The widely used herbicide Roundup is starting to lose its effectiveness in killing certain weeds. Explain why. 2. . How is the buildup of insect resistance to insecticides similar to the increase...

1. The widely used herbicide Roundup is starting to lose its effectiveness in killing certain weeds. Explain why.

2. . How is the buildup of insect resistance to insecticides similar to the increase in bacterial resistance to antibiotics?