Question

What is the Cambrian Explosion?
The time when life on Earth first began
B) The extinction event that wiped out the dinosaurs
A volcanic eruption that occurred 540 million years ago
D A period marked by a rapid increase in the diversity and complexity of life forms

Answers

GPT-4o mini
The Cambrian Explosion refers to **D) a period marked by a rapid increase in the diversity and complexity of life forms**. This event occurred approximately 541 million years ago and is characterized by the emergence of a wide variety of multicellular organisms and the establishment of many of the major animal phyla we see today. It marks a significant point in the history of life on Earth.