ordovician in a sentence
a.
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Definition
Ordovician: relating to a geologic period and system of the Paleozoic era, approximately 485 to 443 million years ago, characterized by a notable diversification of marine life and the development of early complex ecosystems.
Crossword clues for ordovician
Crossword clue ideas and answer hints for the word "ordovician".
- Geologic period after Cambrian and before Silurian.
- Time of significant marine life diversification.
- Epoch known for early complex ecosystems.
- Paleozoic era period lasting from 485 to 443 million years ago.
- Fossils from this time include many ancient sea creatures.
Ordovician sentence examples
- The Ordovician period is known for a significant increase in the diversity of marine life.
- Fossils from the Ordovician era provide crucial insights into early complex ecosystems.
- Geologists often study rock layers from the Ordovician to understand ancient climate changes.
- During the Ordovician, the first coral reefs began to form, marking an important evolutionary milestone.
- The extinction event at the end of the Ordovician dramatically reshaped marine biodiversity.