The National Park is one of the largest (1,523,000 ha) and most intact parks in the Amazon Basin. With an altitudinal range of 200 m to nearly 1,000 m, it is the site of a rich mosaic of habitat types from Cerrado savannah and forest to...

This amphibian embryology tutorial takes an in depth look at the question "Why study amphibians?". Through this tutorial students will develop a better understanding of vertebrate development.

These two contiguous parks, extending over 275,300 ha in the desert region on the western border of the Sierra Pampeanas of central Argentina, contain the most complete continental fossil record known from the Triassic Period (245-208...

Resource provides a brief overview of echinoderms. Includes pictures and links for more information.

This site from the Wikipedia Encyclopedia provides a basic description of the characteristics of the hagfish. Also includes a chart that contains scientific classification information. Links are provided throughout for additional...

Learn important features of reptiles with this reference page. Includes pictures of common reptiles.

Learn all about reptiles with these fun, interactive, educational videos, lessons, and games.

[Free Registration/Login Required] Through this unit, children will begin to understand the concept of a habitat, how it provides organisms found there with conditions for life and how animals depend on plants or other animals which eat...

This interactive assessment features 7 matching, 7 multiple-choice, and 6 true/false questions over the 99 vocabulary words.

In this interactive practice exercise, students fill in the blank with the vocabulary words when given their definitions. There are 99 science vocabulary words in the list.

Learn how amphibians are classified, why they have thin and moist skin, and other interesting facts.

What do centipedes and crabs have in common? What's so special about a backbone? Check this site out from The Franklin Institute if you are interested in biology and classification.

Use this website to test your knowledge of which animals belong to which groups.

An interactive matching game from Quia dealing with animal classifications.

Good introduction from Berkeley's department of paleontology, gives a brief history and the defining characteristics of the class of Chondrichthyes.

This Berkeley site offers a great overview of when the class appears in the fossil record.

An excellent page for viewing the life cycle and development of the amphibians.

A new location for this 'living fossil' is documented at the University of California. Good general information on the biology and significance of coelacanths.

This collection of artifacts and information on Paleontology from the Burke Museum includes online exhibits and access to pictures from various collections.

Site gives a quick but decent description of the anatomy of the skin and fins.

Chondrostei is a mostly forgotten group of cartilaginous fish which deserves at least one page, and here it is. Good information on a cartilagnous fish.