Explains how seeds become plants, what happens to plants in the winter, and how insects help and harm them, and answers other questions about plants.

Presents an introduction to plants, in simple text with illustrations, providing information on the different varieties, describing their physical characteristics, their uses, and more.

"On this blue planet, long before pterodactyls took to the skies and tyrannosaurs prowled the continents, tiny green organisms populated the ancient oceans. Fossil and phylogenetic evidence suggests that chlorophyll, the green pigment responsible for coloring these organisms, has been in existence for some 85% of Earth's long history -- that is, for roughly 3.5 billion years. In How the Earth Turned Green, Joseph E. Armstrong traces the history of...