Ordovician Period

The Ordovician Period is the second period of the Paleozoic Era, spanning from about 485 to 443 million years ago. It is named after the Celtic tribe of the Ordovices in Wales.

Key Events

• Diversification of Life: The Ordovician is known for the diversification of marine life, including the rise of early fish and the proliferation of invertebrate species.
• Formation of Continents: During this period, many of the Earth's landmasses were joined together in a supercontinent called Gondwana.
• Climate Change: The Ordovician experienced dramatic climate fluctuations, including periods of glaciation.

Study Guide

1. What are some key events of the Ordovician Period?

The key events of the Ordovician Period include the diversification of life, formation of continents, and climate change.

2. What is the significance of the diversification of marine life during the Ordovician?

The diversification of marine life during the Ordovician led to the rise of early fish and the proliferation of invertebrate species, contributing to the overall biodiversity of the planet.

3. How did climate change impact the Ordovician Period?

The Ordovician experienced dramatic climate fluctuations, including periods of glaciation, which influenced the evolution and distribution of life on Earth.