Copying of cellular components and cleaving of cell into two independent cells.
If a cell is not fully-grown or does not have an appropriate cellular environment, it can enter G0 where it can stay for as long as it is necessary.
Change in gene frequency of ancient cockroaches led to the evolution of modern cockroaches.
c.midrib. The petiole is a stalk arising from the stem of the plant that connects the stem to the leaf blade. In the middle of the leaf blade is the midrib, which is an extension of the petiole.