Match each statement with the phase of the cell cycle it describes. The
nucleus divides

Identify and describe two ways the water cycle affects the salt levels in the ocean

Isotopes of the same element have differ in their

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of