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प्रश्न
The fossil trilobite was originally :
(a) an arthropod
(b) an invertebrate
(c) a reptile
(d) an ave
उत्तर
an arthropod
Trilobites were marine arthropods which were common 400–600 millions years ago.
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संबंधित प्रश्न
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State any one role of fossils in the study of the process of evolution.
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State fossils importance in the study of evolution with the help of a suitable example.
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Higher Order Thinking Skill (HOT)
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