The answer to this question is B
Answer:
The correct answer is A. Trilobites are extinct arthropods.
Explanation:
Trilobites are an extinct animal group that existed during the time period in earth history that extends from Cambrian to the end of the Permian. The only trilobite trace that exists today is in the form of fossils and trace fossils.
They were marine arthropods, most of which were benthos. Due to the presence of the outer skeleton and the marine way of life, a large number of trilobite fossils have been preserved. Today, about 15,000 species of trilobites are known.
Answer:
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What was the effect of the fall of the Western Roman Empire?
Rome's fall ended the ancient world and the Middle Ages were borne. These “Dark Ages” brought the end to much that was Roman. The West fell into turmoil. However, while much was lost, western civilization still owes a debt to the Romans.
Explanation:
