Trilobites evolved in the early Cambrian Period, approximately 542 to 521 million years ago, and first appeared in the oceans. They are considered one of the most iconic marine life forms of the Paleozoic Era, dominating the seas until their extinction during the Permian-Triassic extinction event around 252 million years ago.
Trilobites evolved in?
Review the verified answer and explanation for this SPSC – Sindh Public Service Commission past-paper question on CampusFin.
Question context
This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.