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.
Butterflies and birds are attracted to red and yellow colors, and these contrasting colors in the same flower are readily seen by a number of pollinators. Bees have vision that is shifted toward the blue end of our visible spectrum.They do not see red colors but do see into the near-ultraviolet.utterflies and birds are attracted to red and yellow colors, and these contrasting colors in the same flower are readily seen by a number of pollinators. Bees have vision that is shifted toward the blue end of our visible spectrum. They do not see red colors but do see into the near-ultraviolet.