Given the question: Natural selection is the process by which living things with beneficial traits produce more offspring, so their traits become more common over time.  Having read the above passage, choose the right answer to the following question (choices are they will have more traits in common or they will have less traits in common ):   If the number of offspring of an species is decreased, what happens to the number of traits they have in common with one another they will have more traits in common or they will have less traits in common?
The answer is:
they will have less traits in common