biodiversity

Discusses the scope of biodiversity and mass extinction as well as the ecological threat posed by human interference.

Discusses the loss of biodiversity and its impact, including introduced species pushing out local species, threatened and endangered large mammals, threats to ocean life, and the need to protect areas rich in species found nowhere else.

Looks at the ways in which plants and animals interact, discussing the interdependency caused by the mutual need for nutrients and gases, and including a hands-on experiment.

Explores biodiversity, and shows what happens when one link falls out of nature's chain. Features an interactive question-and-answer format and hands-on activities.

Chronicles the processes that have created new species through time and examines the destruction of ecosystems by man.

Presents a simple introduction that examines biodiversity, what it is, how it arose, its distribution, and human impact upon it.

Examines the relationships between living things, focusing on the interdependency of animals, with specific examples.

Explains various plants and animals that have taken over areas and have damaged the ecosystem. Offers ideas on how one can help control invasive species. Includes photographs and side-bars.

Discusses the variety of living things in a woodland ecosystem.