Main content
Unit 4: Animal kingdom
About this unit
What's in a name? Learn how the animal kingdom is classified into different phyla, including Porifera, Annelida, Athropoda and Chordata. This unit is aligned to the Class 11 NCERT curriculum.
If you're seeing this message, it means we're having trouble loading external resources on our website.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
What's in a name? Learn how the animal kingdom is classified into different phyla, including Porifera, Annelida, Athropoda and Chordata. This unit is aligned to the Class 11 NCERT curriculum.