Curated OER
Diversity of Life
Students study Arthropods and their characteristics. In this organisms lesson students explore the success of Arthropods and answer questions.
Curated OER
Animal Kingdom: Phylum Chordata
Learners use a dichotomous key to classify various vertebrate jar speciments into classes. They examine the speciments for general characteristics of each class and fill in a corresponding chart and then complete a few final assessment...
CK-12 Foundation
Ck 12: Life Science: Chordates
[Free Registration/Login may be required to access all resource tools.] Did you know that fish, amphibians, reptiles, birds, and mammals are all related? They are all chordates. Chordates are a group of animals that includes vertebrates,...
CK-12 Foundation
Ck 12: Life Science: 10.1 Chordates
Explore the behaviors, characteristics, and diversity of chordates.
Regents of the University of Michigan
Animal Diversity Web: Phylum Chordata (Chordates)
This site contains a listing of additional characteristics that many Chordates have in common beyond the typical four: notochord, dorsal nerve cord, pharyngeal slits, and a post-anal tail.
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...
CK-12 Foundation
Ck 12: Biology: Invertebrate Chordates
[Free Registration/Login may be required to access all resource tools.] Discusses the characteristics of the two major subphyla of chordates without a backbone.
CK-12 Foundation
Ck 12: Biology: Chordates
[Free Registration/Login may be required to access all resource tools.] Overview of the characteristics and classification of chordates.
McGraw Hill
Glencoe Biology: Invertebrate Chordates: Self Check Quiz
This multiple-choice quiz on invertebrate chordates allows students to get hints for each question and check their answers after submitting.
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
University of California
Ucmp: Introduction to the Cephalochordates & Lancelets
This site describes the lancelets and the characteristics of chordates they express.
Untamed Science
Untamed Science: Phylum Chordata
Learn about the characteristics, classification, and phylogeny that make the Phylum Chordata, a distinct animal classification group. See examples and photos of different species of chordates.
Untamed Science
Untamed Science: Biodiversity: Animals: Chordates: Amphibians: Class Amphibia
Explore the biodiversity of the Class Amphibia through videos, photos and examples. [2:34]
Untamed Science
Untamed Science: Biodiversity: Animals: Chordates: Birds: Class Birds
Through video clips and pictures, explore the orders and a variety of species found in the Class Aves.
Encyclopedia of Life
Encyclopedia of Life: Chordates
The Encyclopedia of Life presents this in-depth overview of Chordates (Chordata), including their habitats, size, conservation status, and much more. Images of this division and maps of its global distribution can also be found here.
University of California
Ucmp: More on Morphology
A concise site that describes the four basic features that all chordates share.
PBS
Pbs the Shape of Life: Phylum Chordata
From a PBS television series, this site offers a summary of the features which characterize the phylum chordata and includes multiple color photos.
John Wiley & Sons
Wiley: Earth Through Time: Life of the Paleozoic: Phylum Chordata
Learn about the evolution of life in the Paleozoic Era based on fossil evidence of the five classes of fishes. Read about the role these chordates played in the evolution of tetrapods.
University of California
Ucmp: Introduction to Chordata
This site from UC Berkeley is an excellent site about the animal phylum chordata. Click on various sections to learn more, covering topics such as the fossil record, life history & ecology, systematics, and morphology. This site is a...
E-learning for Kids
E Learning for Kids: Science: Caribbean Sea: How Can We Classify Animals?
Welcome to Hideaway Island where five pirates need to find crews for their ships. Join in and learn about animals with backbones.
University of California
Ucmp: Myxini Hagfishes
This site contains quite a bit of information about hagfishes. There are pictures as well.
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").
Tree of Life Project
Reptiles: Synapsida
This site contains general information about the extinct link between reptiles and mammals. The Synapsida organisms are the link.
University of Manitoba
Chordate Dissection: Dissection of Muscular System in the Rat
A guide to the physiology of muscle and the dissection of the rat muscular system.
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