reproduction

Describes the life cycle of an apple from its initial appearance as a spring bud to that point in time when it becomes a fully ripe fruit.

Brief text and many illustrations explain plant reproduction and the purpose of a flower and present some plants which do not seem to be flowers but are.

Brief text and lavish illustrations explain plant reproduction and the purpose of a flower and present some plants which don't seem to be flowers but are.

Explains and illustrates the interdependent relationships between plants and animals that enable their survival. Discusses out how plants and animals interact, cooperate and compete and shows the constant exchange of nutrients and gases that assures their interdependency. Explores why animals are vital to the reproductive process of many plants and how animals rely on plants for food and shelter. Concludes with an experiment that explores how plants depend on animals for pollination and whether or not a flower's color is responsible for reproductive success.

Henry sets out to solve the case of the mysterious animal egg. In doing so, he discovers all sorts of interesting facts about animals and eggs.

Examines more than 100 species of mammals on six continents, exploring the reproductive cycle and the rearing of young.

Describes the general characteristics of different kinds of fish with emphasis on their varied reproductive processes.

Discusses sex in the natural world, including mating behavior, variety in nature, and courtship rituals.