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cambrian period

 

Definitions from WordNet

Noun cambrian period has 1 sense
  1. Cambrian, Cambrian period - from 544 million to about 500 million years ago; marine invertebrates
    --1 is a kind of period, geological period
    --1 is a part of Paleozoic, Paleozoic era

Definitions from the Web

Cambrian Period

Description: The Cambrian Period refers to the first geological period of the Paleozoic Era, lasting approximately 55.6 million years. It marks a crucial period in Earth's history as it witnessed a rapid diversification of complex life forms, known as the Cambrian explosion.

Senses:

  1. Geology: Referring to the geological period characterized by the appearance of abundant and diverse marine animal fossils.
  2. Biology: The era when most major groups of animals first appeared in the fossil record.

Popular Usage: The Cambrian Period plays a vital role in the study of evolution due to its significance in the emergence of complex animal life on Earth.

Local Usage: Local geologists often explore nearby rock formations to uncover valuable evidence from the Cambrian Period.

Samples Sentences:

1. The fossils found in this layer of rock belong to organisms that lived during the Cambrian period.

2. The Cambrian explosion paved the way for the evolution of countless species that populate our planet today.

Related Products:

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