Which of the following was a land dinosaur?
Triceratops
Pteranodon
Archaeopteryx
Ichthyosaur
Triceratops was land dinosaur. Ichthyosaur was fish like giant reptile Pteranodon is extinct flying reptile.
Which of the following theory is related to transfer of life from one planet to another?
Mesozoic era is called the
Natural selection leads to the directional change when
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