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.
The full moon occurs every 29.53058 days. New Moon - A new moon occurs when the moon is between the earth and the sun. We are seeing the oposite side of the moon that the sun is shinning on. At the exact time of the New moon the moon is to close to the sun to see at all. Blue Moon - Today we consider the Blue Moon to be when a full moon occurs twice in one month. This is a relatively new concept for the term. Originaly a blue moon was considered to be when a full moon occured 4 times in a season.