PLEASE HELPP!! An embryo is found in a plant's
seed
roots
stem
flower

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.

Cells destroy body cells infected by a virus or bacteria.

Which of the following explains why a tree is often used as a model to represent the principle of common descent