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.
1 Brightlyâcolored flowers that are tubular hold the most nectar, and are particularly attractive to hummingbirds. 2  These include perennials such as bee balms, columbines, daylilies, and lupines; biennials such as foxgloves and hollyhocks; and many annuals, including cleomes, impatiens, and petunias.or centuries, gardeners have been fascinated with the beauty and aerobatics of hummingbirds. This article will show which types of plants will attract hummingbirds and how to create a friendly environment for them in your garden.