5
Question
In cambrian time, the dominant arthropods were
In cambrian time, the dominant arthropods were
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Solution
The correct option is B Trilobites
Trilobites were the dominant species during the Cambrian Period, 540 to 490 million years ago. They are a fossil group of extinct marine arthropods that form the class Trilobita. They finally disappeared in the mass extinction at the end of the Permian about 250 million years ago. Therefore, the correct answer is option A.
Trilobites were the dominant species during the Cambrian Period, 540 to 490 million years ago. They are a fossil group of extinct marine arthropods that form the class Trilobita. They finally disappeared in the mass extinction at the end of the Permian about 250 million years ago.
Therefore, the correct answer is option A.
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