Malignant tumors have a appearance and an irregular surface. benign crab nerve polyp

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

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.

Coral have a symbiotic relationship with what in order to eat?