Professor Dave Explains
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Class Amphibia Part 1: General Characteristics and Development
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January 12, 2026
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10:46Now PlayingContinuing through phylum Chordata, we arrive at class Amphibia, the first of the tetrapods. How did they evolve, and what do they look like today? Most people know about frogs and salamanders, but what about caecilians and other strange creatures? Let's take a look!
Script by Ryan Helcoski
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