MCQ
In cambrian time, the dominant arthropods were:
- ATrilobites
- BCockroach
- CMillipede
- DSacculina
Explanation:
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.
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