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प्रश्न
Which organism is considered to be the fossil bird?
उत्तर
Fossil bird Archaeopteryx.
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संबंधित प्रश्न
How fossils formed ?
Describe in brief two methods of determining the age of fossils.
Name two organisms which are now extinct and studied from their fossils.
The fossil trilobite was originally :
(a) an arthropod
(b) an invertebrate
(c) a reptile
(d) an ave
Some of the important fossils which have been studied are those of organisms X, Y and Z. X were marine arthropods which were common between 400 to 600 million years ago. Y were the invertebrate animals (molluscs) with a flat, coiled, spiral shell which lived in the sea about 180 million years ago. Z are the extinct carnivorous or herbivorous reptiles which appeared on the earth about 250 million years ago and became extinct about 65 million years ago. What are X, Y and Z?
The best way of direct dating fossils of recent origin is by ______.
Birds have evolved from reptiles.
Why is Archaeopteryx considered to be a connecting link?
Higher Order Thinking Skill (HOT)
Imprints of fossils tell us about evolutionHow?
