Take this interactive, multiple-choice quiz over ecological biodiversity, then review your score and any missed questions at the end.

Gray wolves were a frequent sight on the American plains, however, they are now an endangered species despite attempts to reintroduce them to their former habitats in the continental United States. Learn about their natural history in...

An interesting look at the evolution of warfare and armies through the late 1500s in the context of historical background for a Renaissance recreation group (Le Poulet Gauche). Includes links to analyses of several famous battles and a...

An interesting look at the evolution of warfare and armies through the late 1500s in the context of historical background for a Renaissance recreation group (Le Poulet Gauche). Includes links to analyses of several famous battles and a...

An interesting look at the evolution of warfare and armies through the late 1500s in the context of historical background for a Renaissance recreation group (Le Poulet Gauche). Includes links to analyses of several famous battles and a...

An interesting look at the evolution of warfare and armies through the late 1500s in the context of historical background for a Renaissance recreation group (Le Poulet Gauche). Includes links to analyses of several famous battles and a...

The Panda's opposable thumb is a mystery of evolution that is discussed in this site. Possible factors influencing this feature are presented with diagrams, photographs, and interactive questions to check for comprehension.

The Panda's opposable thumb is a mystery of evolution that is discussed in this site. Possible factors influencing this feature are presented with diagrams, photographs, and interactive questions to check for comprehension.

The Panda's opposable thumb is a mystery of evolution that is discussed in this site. Possible factors influencing this feature are presented with diagrams, photographs, and interactive questions to check for comprehension.

The Panda's opposable thumb is a mystery of evolution that is discussed in this site. Possible factors influencing this feature are presented with diagrams, photographs, and interactive questions to check for comprehension.

The Panda's opposable thumb is a mystery of evolution that is discussed in this site. Possible factors influencing this feature are presented with diagrams, photographs, and interactive questions to check for comprehension.

The Panda's opposable thumb is a mystery of evolution that is discussed in this site. Possible factors influencing this feature are presented with diagrams, photographs, and interactive questions to check for comprehension.

This lesson will introduce the 7 characteristics of all living things. It is 4 of 4 in the series titled "7 Characteristics of Life."

Discover why some people feel that natural history museums are more import now than they have ever been. Familiarize yourself with some of the challenges these museums are facing.

Review the mass extinction events from the Earth's history. Then explore some ideas related to the concept that we are currently in the midst of the Earth's sixth major extinction.

Discover the accuracy of dating methods and fossils because of the scientific approach used.

Madagascar is a haven for biodiversity and therefore admired and heavily researched by scientists. Check out how researchers are working to protect the environment of this African island.

Describes what mimicry is. Describes the different kinds of mimicry found and by whom.