blastoderm: the germinal membrane from which the organs of the embryo are formed. Explanation of Terms Used in Entomology John. B. Smith He it was who introduced the terms Keimhaut (blastoderm) and Keimblatt (germ-layer).
Child Study. Child study, also called paidology or experimental pedagogy, was the attempt to apply the methods of modern science to the investigation of children in order to discover the laws of normal child development.
Child Observation. Custom Child Observation Essay Writing Service || Child Observation Essay samples, help. Child observation is a critical aspect in understanding child development. Involving children in activities provides a good ground for observing them. During such activities, one is able to connect with a child. Cognitive development is greatly enhanced through active involvement and participation of children in various activities.