The 500 Million Year History of Vertebrates

Final Cladogram

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Using the cladogram, what is the most recent trait that dinowaurs and frogs share?

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Trace down the lines for the dinosaur and the frog to see where they meet up.

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The lines for the dinosaur and frog meet up at the node for tetrapods. This means that the most recent trait that both dinosaurs and frogs share is the trait of having four limbs.

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