A.life has been improved by technological advance
B.the number of female babies has been declining
C.our species has reached the highest stage of evolution
D.me difference between wealth and poverty is disappearing
A.Female.
B.Able to produce much.
C.Religious celebration.
D.Quick.
A.Sex Ratio Changes in Human Evolution.
B.Ways of Continuing Man’s Evolution.
C.The Evolutionary Future of Nature.
D.Human Evolution Going Nowhere.