Life cycles

Take a close look at the science behind the life cycles of reptiles.

Did you know that all but two of the more than 4,200 species of mammals give birth to live young? The platypus and the echidna hatch their young from eggs. Discover more fascinating facts in Mammals, a Life Cycles book.

Take a close look at the science behind the life cycles of amphibians.

Simple text and photographs describe the life cycle of an oak tree.

Introduces readers to eleven animals and insects of the temperate forests around the world. Includes information on life cycles, food chains, and food webs. Features color photographs, illustrations, easy-to-follow text, and a glossary.

Explores the life cycle of mammals, discussing how they are born, grow, and reproduce, and looking at adaptation, classification, and the habitats of mammals.

Describes the life cycle of a chestnut tree from its flowering to the growth of its seeds into trees.

Explains the life cycle of the loggerhead turtle. Describes the anatomy, environment, and behaviors of the loggerhead.

Learn what happens from a caterpillar to a butterfly in this book that is packed with fantastic facts about their life cycle. Amazing photographs show children the processes that butterflies go through on their way to being fully grown.

Learn what happens from an egg to a chicken in this book that is packed with fantastic facts about their life cycle. Amazing photographs show children the processes that chickens go through on their way to being fully grown.