How have crops been modified? a. plants have been made more susceptible to pests b. plants have been made resistant to herbicides c. plants have been made more susceptible to herbicides d. plants have been modified to have reduced yield

Plants have been made more susceptible to pests for modification.

by drinking easy

very easy

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.