A pictorial introduction to the animals that lay eggs, including chickens as well as other birds, reptiles, amphibians, fishes, insects, and even a few mammals.
Answers several questions on the processes shared by most living things, including reproduction, cellular respiration, and several others, and presents instructions for three demonstrations.
An overview of the human reproductive system that covers its components and processes, its common malfunctions and diseases, tests and treatments, doctors and scientists who have made significant discoveries, and historic and contemporary research.
Explains the physical changes that occurs in humans to ready their bodies to reproduce. Also describes what happens during conception, pregnancy, and how a baby is delivered.
Describes genes, examines how the body grows and develops, and discusses the role that genetics plays in determining individual physical characteristics.
Discusses the steps that are followed when conception cannot be natural and explains the controversy, costs, and positive and negative effects that can result from various forms of fertilization.
