"In this . . . book, readers will explore living processes at their rawest and the science of food chains and webs in the battle for survival on Earth"--Amazon.

"Leaves and bacteria, insects and fish, bears and people, too--we're all part of one big circle of growing and eating and living"--Inside front flap.

Explores the ways in which desert plants and animals are connected through food chains.

Explores the ways in which rain forest plants and animals are connected through food chains.

Seven children champion an animal for the top spot. Is it the ELEPHANT or the BEAVER, who both create habitats where other creatures can live and thrive? Is it the TIGER or the SHARK, who are both top predators, or the BAT, who keeps insect populations down? Is it the tiny KRILL, a food source for many sea creatures, or the BEE, the master pollinator? Join the children to find out how special these creatures are in this introduction to ecosystems....

The first program explores the reasons why the population of the Stellar sea lions of Alaska has dropped 70-80% since the 1970s. The second program follows mushers and their dogs along the 1,100 mile Iditarod Trail Sled Dog Race through Alaska. Depicts the strong bond between the mushers and their dogs that is essential for survival.