Earliest reptiles evolved in the period
- AOrdovician
- BSilurian
- CDevonian
- DCarboniferous
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They all fell to form coal deposits.
$A$ : Tyrannosaurus rex had fearsome dagger like teeth.
$R$ : Tyrannosaurus was largest dinosaur depending upon herbs and shrubs.
$A$ : Tyrannosaurus rex had fearsome dagger like teeth.
$R$ : Tyrannosaurus was largest dinosaur depending upon herbs and shrubs.
Dinosaurs became extinct in
Dinosaurs became extinct in
Ichtyhyosaurs were
The dinosaurs were maximum during the period of
The dinosaurs were maximum during the period of