Carol Schwartz

Grassland ecosystems can be found on nearly every continent. Countless animals and plants live in them. So what difference could the loss of one animal species make? Follow the chain reaction, and discover how important honey bees are.

Discusses the tundra ecosystem and the role of lemmings as a keystone species in helping to maintain it, describing the lemmings' place on the food chain and what would happen to the tundra if they were to become extinct.

"Lyrical tribute to the bugs, bees, and birds that make the garden such a busy place. With each turned page, more visitors appear, and all the while the "surprise"a chrysalischanges unnoticed until, on the last page, a butterfly emerges and flies away across the garden's well-tended borders. Back-of-book notes about the natural histories of the garden's denizens complete this lovely and lively portrait of backyard nature, which is also a gentle meditation...

After his mother takes him to the doctor, Shelley the turtle begins to understand why he feels so jumpy and wiggly inside that he can't stay still.

Simple introduction to the physiology, life cycle, ecological function and potential uses of the firefly.

While sitting in science class on a Friday afternoon, a student watches all kinds of sea creatures move about the room.

Simple rhyming text describes the characteristics and behavior of starfish.