A rollback does a couple of things: 1  Most importantly, a rollback reverts a question (or answer) back to a previous version in the edit history. The rollback action itself then appears as the most recent item in the edit history. 2  A rollback clears any offensive flags that have been set on a question.
In each of these whorls are one of four organs, including petals, sepals, stamens, and pistils. Petals and sepals do not play an active role in the reproductive process. Stamens and pistils, the flower's male and female reproductive organs, do aid in reproduction.
A flower is a small plant that contains pollen, nectar, and usually petals.They can only grow in mild conditions and die out during the winter seasons. Flowers are the reproductive organs of the plant. After they are pollnated, they'll grow their seeds and drop their petals, The seeds will grow and be ready to travel. flower is a small plant that contains pollen, nectar, and usually petals.