Question

question 4 of 10
match the time frame listed on the left with the characteristic listed on the right.
end of the paleozoic era ? age of the dinosaurs
end of the mesozoic era ? most of earth a desert
mesozoic era ? a layer of iridium deposited all over earth

Explanation:

1. End of the Paleozoic era: The end of the Paleozoic era (specifically the Permian - Triassic extinction) is associated with a time when most of Earth became a desert - like environment due to extreme climate changes.
2. End of the Mesozoic era: The end of the Mesozoic era (Cretaceous - Paleogene extinction) is marked by a layer of iridium deposited globally, likely from an asteroid impact.
3. Mesozoic era: The Mesozoic era is known as the "Age of the Dinosaurs" as dinosaurs were the dominant terrestrial vertebrates during this time.

Answer:

• End of the Paleozoic era : Most of Earth a desert
• End of the Mesozoic era : A layer of iridium deposited all over Earth
• Mesozoic era : Age of the dinosaurs