At what date were gymnosperms, large dinosaurs, and the first toothed birds common?
A) 201 mya
B) 66 mya
C) 23 mya
D) 359 mya
E) 635 mya

Question

Quizplus · Accepted Answer

Gymnosperms, large dinosaurs, and the first toothed birds were common during the Mesozoic era, which spanned from about 252 to 66 million years ago. The date 201 million years ago (mya) falls within the early part of this era, specifically the late Triassic to early Jurassic period, making it the most accurate choice for when all three were common.

At What Date Were Gymnosperms, Large Dinosaurs, and the First