Entity: CAMBRIAN
The Cambrian is the first geological period of the Paleozoic Era and the Phanerozoic Eon, lasting approximately 51.95 million years. It marks a crucial time in Earth's history when algae and marine invertebrates dominated life forms.
CAMBRIAN
Etymology
The term 'Cambrian' originates from Wales or the Welsh, derived from Cambria, a variant of Cumbria.
Definition
In geological terms, the Cambrian refers to the initial period of the Paleozoic Era, lasting around 51.95 million years. It is known for the dominance of algae and marine invertebrates.
Historical Context
The Cambrian period occurred from 570 million to 500 million years ago, following the Ediacaran period. It witnessed a significant diversification of life forms, setting the stage for future evolutionary developments.
Cultural Significance
The Cambrian period holds immense importance in understanding the early evolution of life on Earth. It provides valuable insights into the emergence of complex organisms and ecosystems.
Related Concepts
The Cambrian period is closely linked to the Ordovician Period, which followed it in the geological timescale. It also intersects with the Ediacaran period, marking a transition in Earth's biological history.
See Also
Referring to a period of the Paleozoic Era, the Cambrian occurred from 570 million to 500 million years ago, characterized by the prevalence of algae and marine invertebrates.