Describes the life cycle of grasshoppers and discusses why some of these insects cause extensive damage to crops.

Discusses the Adélie and emperor penguins that make their homes in Antarctica.

Describes how seeds are moved from place to place by wind, water, and animals, and how they function in plant reproduction.

An introduction to the domesticated silkworm moth, raised on farms in Japan and elsewhere for the sake of the silk thread out of which its cocoons are constructed.