The diploid germ cells that have the potential to develop into ova are called oogonia. In humans, all of a female's oogonia that she will make in her lifetime are created when she's still a fetus and hasn't even been born yet.
How do hummingbirds reproduce? To attract hummingbirds to a garden or feeder, rich, bright colors should be used. Red is known to attract hummingbirds from afar but does not have to be the sole color used. Hummingbirds like both annuals and perennials, as long as the colors in the flowers are vibrant.
Iridescent colors such as those of hummingbird gorgets (the gorget is the brilliantly colored area on the throat of a male hummingbird), are illusions caused by refraction of light. Changes in the angles from which light strikes the gorget give the effect of different colors.e want to share a few facts about the hummingbird that you may find interesting. Hummingbirds are probably the most beautiful and interesting of all birds that visit our backyards. Learning about hummingbirds will make it easier to attract these flying jewels to your hummingbird feeders.