Which is a difference between the Paleozoic and Mesozoic era? 1.Animals lived in the water during the Mesozoic and on land in the Paleozoic.

2.The first birds emerged in the Paleozoic era while mammals first emerged in the Mesozoic.

3.Many different species of dinosaurs lived in the Mesozoic, but they all died off in the Paleozoic.

4.Animal complexity increased during the Paleozoic while the first flowering plants appeared in the Mesozoic era.

The difference between the Paleozoic and Mesozoic era is Many different species of dinosaurs lived in the Mesozoic, but they all died off in the Paleozoic.

What are Paleozoic era.

Paleozoic Era can be regarded as the , major interval of geologic time which was seen around 541 million years ago.

Therefore, species of dinosaurs lived in the Mesozoic.

Learn more about Paleozoic at;

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Explanation:

Paleozoic means old life, Mesozoic means middle life, and Cenozoic means new life.