I'm pretty sure the answer would be DNA, because DNA is the thing that holds all of your genetic material/ traits/ genes
I think you mean sperm cell. It is called fertilization.
Up to 60% of the human adult body is water
Iwe can because of the help of Carlus Linneaus and Aristotle who classified living organusm in to groups as follows:
taxonomy and binomial
In 2011 around 330,000 babies were born to girls between the ages of 15-19
