Explores how the earth's ecosystems have changed throughout history, describing how environmental and manmade changes have influenced ecosystems and the plants and animals that live in them.
Draws on case studies and scientific theories to explore how researchers are learning about life on Earth throughout history by studying geological and fossil evidence.
Uses timelines and detailed case studies to explore how various species have become extinct throughout history and how those extinctions have impacted life on Earth.
Uses timelines and detailed case studies to explore how life on Earth has evolved throughout history and why things have different genetic and physical make ups.
Draws on case studies and scientific theories to explore the different ways changes in the distributions of the species on Earth have been studied throughout history.
Discusses the habits of the Giant Pandas and their struggle to survive. Also, presents the work of the World Wildlife Federation in helping to keep the pandas from extinction.
Briefly describes creatures from ocean, coastal, and island habitats that are extinct or currently endangered, such as the blue whale, monk seal, and dodo.
