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.
Diversity of Nectar Plants â Ruby-throated hummingbirds feed on small insects and nectar. To attract hummingbirds, include a variety of flowering plants that provide nectar throughout the warmer months.Ruby-throated hummingbirds prefer the nectar from bright, tubular flowers, such as crossvine, Carolina jessamine, and red buckeye.iversity of Nectar Plants â Ruby-throated hummingbirds feed on small insects and nectar. To attract hummingbirds, include a variety of flowering plants that provide nectar throughout the warmer months.