Mesozoic Era is the era of
-
fishes
-
reptiles
-
birds
-
plants
B
Correct answer
Explanation
The Mesozoic Era (Triassic, Jurassic, Cretaceous periods) is famously called the 'Age of Reptiles' when dinosaurs dominated terrestrial ecosystems. While birds evolved from theropod dinosaurs during this era and plants continued to diversify, reptiles (particularly dinosaurs) were the dominant vertebrates. Fishes were most prominent in earlier periods.