Comparing Communities: Urban, Suburb, and Rural. These sites have information about the characteristics of communities. Learn about urban, suburban and rural communities and discover how they differ. Includes photographs and lesson plans. An eThemes resource on urban wildlife is included.
The two main stages of cell division are called A. mitosis and interphase. B. synthesis and cytokinesis. C. the M phase and the S phase. D. mitosis and cytokinesis.
Cells reproduce genetically identical copies of themselves by cycles of cell growth and division. The cell cycle diagram on the left shows that a cell division cycle consists of 4 stages: G1 is the period after cell division, and before the start of DNA replication. Cells grow and monitor their environment to determine whether they should initiate another round of cell division.