Which one the following is statements is true?
a) exposure to antibiotics causes indivi...
Biology, 04.02.2020 22:02 babygirllll2071
Which one the following is statements is true?
a) exposure to antibiotics causes individual bacteria to mutate and become resistant
b) crossing over and random fertilization decrease variation
c) natural selection works on variation already present in a population
d) organisms evolve structures that they need
e) none of the above
Answers: 2
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