contestada

Q.18. During which period did the first trilobites appear?
a) Cambrian
b) Devonian
c) Silurian
d) Ordovician

Respuesta :

Answer:

a) cambrian

Explanation:

The first body fossils of trilobites appeared in the Early Cambrian Period, about 540 million years ago.

rubi0822

Answer:

A. Cambrian period

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