Lots of the word natural in the term natural selection indicates that this process a. is very gradual b. involves choosing c. occurs without human involvement d. allows only some organisms to pass on their genes which of the following best describes the process of evolution by natural selection? a. a rapid change of the traits of a species over time b. a gradual change of the traits of a species over time c. a rapid change of the traits of an organism over time d. a gradual change of the traits of an organism over time what effect will taking a dose of antibiotics that is too small have on the bacteria you are trying to destroy? a. all of the bacteria will pass on their genes b. none of the bacteria will pass on their genes c. the weakest bacteria will pass on their genes d. the strongest bacteria will pass on their genes humans whose ancestors lived in which of the following regions would be likely to be able to digest the lactose in milk? a. african regions where cows were herded b. european regions where horses were ridden c. asian regions where chickens were domesticated d. south american regions where potatoes were farmed what is one similarity between natural selection and artificial selection? a. it is not possible to have major changes in traits. b. environmental factors do most of the "selecting." c. offspring are extremely different from their parents. d. not all organisms are able to pass on their genes to offspring.