3. classification/classify
genus
invertebrate
kingdom
phylum/phyla
species
vertebrate

4. The chordates

5. Classification of humans

6. Read the introduction and look for key ideas

7. What kinds of evidence can you use to classify vertebrates?

8. Complete the procedure and record your data

9. Analysis question 1
What characteristics do you think best distinguish each vertebrate class?

10. Analysis question 2
Why do some vertebrates appear to fit into two or more different classes?

11. What kinds of evidence can you use to classify vertebrates?

12. Key vocabulary definitions
Classification/classify - A process of grouping organisms into taxonomic levels based on shared characteristics and genetic relationships. Genus - A group of species that share specific characteristics and are related.

13. Key vocabulary definitions
Invertebrate - An organism that does not have a jointed backbone. Kingdom - Until 1990, the most general level of biological classification. Now the second level of classification, below the domain level.

14. Key vocabulary definitions
Phylum/phyla - A group of Classes of organisms that share specific characteristics. Species - A group of organisms with similar characteristics and evolutionary history that can successfully reproduce.

15. Key vocabulary definitions
Vertebrate - An organism with a jointed backbone.

16. Classes of animals
Find out how technological advances are being used to study the various classes of animals on the Issues and Life Science page of the SEPUP website.