Scientists trying to determine evolutionary relationships among organisms sometimes search for clues by examining how each organism develops from a fertilized egg cell. what name is given to the scientific study of how organisms develop from a single cell into independent living creatures?
a) cytology
b) embryology
c) phylogeny
d) zoology

B) embryology

Embryology is the scientific study to know how the organisms develop from a single cell into independent living creatures. It is the study of the process of embryogenesis which includes all the phases in which an embryo grows and develops from a fertilized egg cell. Embryology is studied in context of plants, animals, insects and all sexually reproducing organisms.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called