Water moves thought the xylem by two forces called

Structures in cells that carry out specific functions.

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.