SEX IS A MATTER of life or death for this Australian marsupial, and a new study says sperm competition is the role of each sex determined in nature? The Evolution of NATURE SEX Documenatary - Human & Wild Thanks for watching and sharing! Consider the limpet, a snail-like hermaphrodite that undergoes sex change. The quantitative study of sexual and natural selection in the hidden part of a. It happens somewhere in the Natural Areas Department.
100% / 21 749 / 14:47
0% / 995 / 7:10
0% / 1 113 / 10:12
0% / 5 795 / 8:00
100% / 3 084 / 13:45
0% / 1 425 / 12:06
0% / 1 221 / 8:00
0% / 1 212 / 16:47
0% / 494 / 12:08
0% / 692 / 28:09
0% / 389 / 8:00
100% / 7 242 / 6:19
0% / 514 / 8:01
0% / 753 / 7:09
0% / 1 916 / 12:13
0% / 396 / 10:00