PBS
Pbs Learning Media: Dissection 101: Dogfish Shark Dissection: Lesson Plan
A lesson plan on how to complete a dogfish shark dissection with a class. Lesson plan includes a procedure, PowerPoint, and quiz.
Biology Pages
Kimball's Biology Pages: Animal Circulatory Systems
This page has information on different types of animal circulatory systems. Scroll to the bottom of the page to find out about mammals.
University of California
Ucmp: Chondrichthyes
Site gives a quick but decent description of the anatomy of the skin and fins.
Kidport
Kidport: Beaks and Bills
Birds have a wide variety of beaks or bills. Some are designed for opening seeds, while others are designed for catching fish or even tearing flesh to eat a small animal. Discover the dynamic uses of beaks and bills.
University of California
Ucmp: Introduction to Chondrichthyes
Good introduction from Berkeley's department of paleontology, gives a brief history and the defining characteristics of the class of Chondrichthyes.
Biology 4 kids
Biology4 Kids: Bird Anatomy Beautiful Birds
Next to fish, birds are the most abundant vertebrates around. Take a look at the physical traits of birds and how well they adapt to their environments.
University of California
Ucmp: Introduction to Chondrostei
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.
Songs for Teaching
Ichthyology
For younger students, this resource provides the lyrics and a Windows media file (.wma) to teach them how to say Ichthyology and learn the concepts of studying fish.
Other
Pelagic Shark Research Foundation: Glossary
A glossary for terms relating specifically to sharks, many of which are relevant to the entire chondrichthyes class.
DLTK
Kid Zone: Sharks
The KidZone shows amazing images of sharks and presents all kinds of facts and activities in a format for grade school children.