(B) The origin of trilobites is considered to be approximately $505-510$ million years ago during the $Cambrian$ period.They became extinct during the

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(B) The origin of trilobites is considered to be approximately $505-510$ million years ago during the $Cambrian$ period.They became extinct during the $Permian$ period.

Class 12 Biology Evolution A Brief Account of Evolution

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Trilobites evolved during which period?

A
Silurian
B
Cambrian
C
Pre-Cambrian
D
Devonian

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Class 12 Questions

Class 12

Biology Questions

Chapter

Evolution

Subtopic

A Brief Account of Evolution

The first vertebrates appeared in a period of the $Palaeozoic$ era,called:

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The earliest reptiles evolved in which geological period?

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In which era were the reptiles dominant?

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From which group did the $Prototheria$ evolve?

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The $Jurassic$ period of the $Mesozoic$ era is characterized by which of the following?

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Trilobites evolved during which period?

Similar Questions

The first vertebrates appeared in a period of the $Palaeozoic$ era,called:

The earliest reptiles evolved in which geological period?

In which era were the reptiles dominant?

From which group did the $Prototheria$ evolve?

The $Jurassic$ period of the $Mesozoic$ era is characterized by which of the following?

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