AP BIOLOGY

Detailed explanation-1: -Embryology is a branch of science which deals with the study of development of organisms from an egg to an adult stage. It include formation and development of embryo, foetus, gametes, fertilisation, etc.

Detailed explanation-2: -Human Embryology and Developmental Biology is the study of the fascinating process in humans and animals that turns a single fertilised egg into a whole new individual with all the many specialised cell types.

Detailed explanation-3: -embryology, the study of the formation and development of an embryo and fetus. Before widespread use of the microscope and the advent of cellular biology in the 19th century, embryology was based on descriptive and comparative studies.