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.
About once every twenty eight days, the moon gives off its full light, hence the name full moon, showing to the Earth observer as a perfect white sphere with its craters gleaming elegantly. The term blue moon is used when this event occurs four times in one of the year's four seasons or twice in a month. Precisely, a blue moon happens on the third full moon of a season with four full moons or on the second full moon in one particular month. This doesn't mean, though, that you'll find the moon literally giving off blue light at those times of the year. slide 2 of 3.