Dinosaurs became extinct in

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6.Evolution

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Dinosaurs became extinct in

Silurian period

Jurassic period

Triassic age

Cretaceous period

Solution

(d)The giant reptiles became extinct in cretaceous period mainly because of their lack of adaptability, depleted supply of food, predation and large scale destruction of their eggs.

Standard 12

Biology

Earliest reptiles evolved in the period

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$A$ : Tyrannosaurus rex had fearsome dagger like teeth.
$R$ : Tyrannosaurus was largest dinosaur depending upon herbs and shrubs.

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Find out through internet and popular science articles whether animals other than man have self-consciousness.

hard

Ichtyhyosaurs were

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First dinosaurs and first egg-laying mammals were originated in

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Dinosaurs became extinct in

Solution

Similar Questions

Earliest reptiles evolved in the period

$A$ : Tyrannosaurus rex had fearsome dagger like teeth. $R$ : Tyrannosaurus was largest dinosaur depending upon herbs and shrubs.

Find out through internet and popular science articles whether animals other than man have self-consciousness.

Ichtyhyosaurs were

First dinosaurs and first egg-laying mammals were originated in

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$A$ : Tyrannosaurus rex had fearsome dagger like teeth.
$R$ : Tyrannosaurus was largest dinosaur depending upon herbs and shrubs.