University of Illinois
University of Illinois Extension: The Great Plant Escape
Detective Le Plant has found a strange note attached to his door. It says, "A bulb is a bulb, but not always." You and Detective Le Plant are now about to begin to unravel the true meaning of this message. Follow the clues, answer...
Sam Houston State University
Sam Houston State University: Chordate Characteristics
This site describes the characteristics of Chordates. There are also examples of two groups that show an affinity toward the phylum Chordata but do not actually exhibit the characteristics. This site also describes the history of the...
University of California
Ucmp: Introduction to Urochordata
This site introduces Urochordates and mentions the characteristics of Chordates that Tunicates exhibit. There are links to additional information about Chordate Characteristics
Other
Jeff's Coral Reef Gallery: Tunicates
This excellent underwater photo of a tunicate includes a short but informative description of tunicates in general (also known as "sea squirts").