In order for organisms to reproduce, two sex cells, or gametes, need to fuse together. One gamete comes from the female, and one comes from the male. Female gametes are also called eggs or ova. Female gametes are also called eggs or ova. They are created during the cellular reproduction process known as meiosis.
There is only one full moon each month because the moon only opposes the sun once per month in its orbit. The phases of the moon are caused by how much of its visible surface is illuminated by the sun's light, and a full moon only occurs when the moon is on the opposite side of the Earth from the sun. Continue Reading.
Over the past few decades, the second full Moon has come to be known as a blue Moon.. The next time two full Moons occur in the same month (as seen from the United States) will be July 2015. The most recent blue Moon occurred in August 2012. On average, there's a Blue Moon about every 33 months.