Usually, in vitro fertilization __________.
A) is used to overcome male reproductive difficulties
B) poses less risk than natural conception to infant survival
C) is used to treat women whose fallopian tubes are permanently damaged
D) involves wealthy contractors for infants
Question 2
Donor insemination __________.
A) is commonly used to overcome female reproductive difficulties
B) involves giving a woman hormones that stimulate the ripening of several ova
C) permits women without a male partner to become pregnant
D) is used to treat women whose fallopian tubes are permanently damaged
Male and female plants
Male reproductive anatomy.
Female Reproductive System "الجهاز التناسلي للأنثى"
Female Reproductive System "الجهاز التناسلي للأنثى"
How to impress a choosy female: Male fiddler crabs (top) wave their one enlarged claw to a attract a