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.
Attracting Hummingbirds. The key to attracting hummingbirds to your yard is to plant lots of flowers and provide the habitat that will give them shade, shelter, food, and security. 1  Herbs, flowering shrubs, dwarf trees, and vines all can be used to create an ideal tiered habitat from ground level to 10 feet or more.ttracting Hummingbirds. The key to attracting hummingbirds to your yard is to plant lots of flowers and provide the habitat that will give them shade, shelter, food, and security. 1  Herbs, flowering shrubs, dwarf trees, and vines all can be used to create an ideal tiered habitat from ground level to 10 feet or more.