devonian in a sentence
a.
📚 Grade Level: Grade 11, Grade 12
Definition
Devonian refers to the geological period occurring approximately 419 to 359 million years ago, characterized by the emergence and diversification of fish and significant developments in terrestrial ecosystems.
Sample Sentences
- The Devonian period is often referred to as the "Age of Fishes" due to the diversity of aquatic life that thrived at that time.
- Many important fossil beds from the Devonian can be found in regions such as Canada and Scotland.
- Geologists study Devonian rock formations to better understand the Earth's history and the evolution of its ecosystems.
- During the Devonian, the first forests began to emerge, significantly changing the planet's atmosphere and ecology.
- The extinction events at the end of the Devonian had profound effects on marine biodiversity that are still studied today.
- The Devonian period is often referred to as the "Age of Fishes" due to the vast diversity of fish species that thrived during that time.
- Geologists discovered a rich deposit of fossils dating back to the Devonian in the limestone cliffs along the coast.
- During the Devonian, the first forests began to appear, transforming the landscape and atmosphere of the Earth.
- Research into Devonian rock formations has provided valuable insights into the evolution of early terrestrial ecosystems.
- Many of the world's major oil reserves are found in sedimentary rocks formed during the Devonian period.