Conception A single sperm cell (male) penetrates the outer coating of the egg (female) and fuses to form one fertilized cell. Lennart Nilsson/ Albert Bonniers.
Infancy and Childhood (part 1) Chapter 5, Lecture 3 “Where others saw childish mistakes, Piaget saw intelligence at work.” - David Myers.
1 PSYCHOLOGY (8th Edition, in Modules) David Myers PowerPoint Slides Aneeq Ahmad Henderson State University Worth Publishers, © 2007.
1 Developing Through the Life Span. 2 Infancy and Childhood Module 11.
