Explores the life cycle of reptiles, discussing how they are born, grow, and reproduce, and looking at adaptation, classification, and the habitats of reptiles.
Explores the life cycle of amphibians, discussing how they are born, grow, and reproduce, and looking at adaptation, classification, and the habitats of amphibians.
Provides answers to questions about cells and disease, discussing how cells are affected by illness, what bacteria and viruses are, how cells fight disease, the prevention of cell disorders, and other topics.
An introduction to cell systems that describes the seven life processes, explains how the digestive system breaks down food, and highlights important discoveries.
Discusses the function and structure of cells, the interrelatedness of various organs, the types of tissues, such as muscle and bone, and how to keep healthy and maintain energy, and includes a glossary and color illustrations.
Describes how ants work together to find food, stay safe, and care for their offspring, and looks at other insects that live in groups including bees and termites.
This book tells about the human body, including what the body is made of, how your brain controls your body, and how you can take good care of your body.
Using firsthand accounts from a range of primary sources, this book shows how the war brought many difficulties for men, women, and children on the home fronts, from rationing and bombing raids to enemy occupation and the Spanish flu pandemic.