Natural selection affects undesirable traits, because as time pass on, the undesirable traits will be lost due to the competition with the desirable traits. For an example, the Rabbits that runs slower than normal rabbits, will eventually die due to the natural selection because the normal ones will run faster than the undesirable one.
Answer:
200 to 300 thousand years so D
False I think hope it help ur Can I plz get a ty for trying :)):;(((((
Answer:In general, negative selection eliminates from the population very harmful changes to proteins that kill or stop reproduction. ... The authors also found a correlation between genes predicted to be under negative selection and genes implicated in certain hereditary diseases.
It refers to the selective elimination of excess ions and toxins from body fluids
