Place the three periods of the Mesozoic Era — Triassic, Jurassic, and Cretaceous — in order and understand that different dinosaurs lived in different periods, not all at the same time
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Question 1 of 3
Which list shows the three periods of the Mesozoic Era in the order they occurred, from earliest to most recent?
Question 2 of 3
Lily learns that the dinosaur Plateosaurus lived during the Triassic period and the dinosaur Triceratops lived during the Cretaceous period. Which statement best explains their relationship?
Question 3 of 3
Sam is building a three‑step dinosaur timeline. Step 1 is the oldest era, step 2 is the middle era, and step 3 is the most recent era. He wants to put a dinosaur that lived during the middle era on step 2. Which dinosaur should he choose?
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