A complete lesson plan by Teacher Created Resources. For Grade 3, Grade 4, Grade 5. This lesson plan is sold separately and is not included with any subscription or study pack.

Amphibians and reptiles are collectively known by biologists as herpetofauna. At present, there are over 5,000 described amphibian species and over 6,000 reptiles. New species in both these groups are being discovered every day, particularly in remote...

Amphibia is one of the five major classes of vertebrates. There are three orders in the amphibia group, two of which are widely familiar, frogs (Anura) and salamanders (Caudata), and one of which is less well-known, the tropical caecilians...

   Order Temnospondyli - extinct Subclass Lepospondyli - extinct Subclass Lissamphibia    Order Anura    Order Caudata    Order...

The story of the vanishing amphibians has all the hallmarks of an ecological thriller, the sort of thing Michael Crichton might have written. Could this be the first alarm bells of an impending global disaster, ringing "below the perception of human perception," as MIT's...

As the days grow longer and the earth grows warmer, it's time for one of the most enduring rites of spring, the march of the amphibians to their ancestral mating grounds. As they have for the past 180 million years, wood frogs awaken...

A rock that sat untouched in a Pennsylvania museum's fossil collection for years has rare full-body imprints of not just one, but three, ancient amphibians.Researchers found the imprints in sandstone rocks collected in eastern Pennsylvania decades ago and stored in the museum in Reading, Pa....

Ponds and swamps are becoming eerily silent. The familiar melody of ribbits, croaks and chirps is disappearing as a mysterious killer fungus wipes out frog populations around the globe, a phenomenon likened to the extinction of dinosaurs.Scientists from around the world are meeting Thursday and...