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What is the time period era Cambrian where hard shelled fossils appeared?

The Cambrian period, which lasted from approximately 541 million years ago to 485 million years ago, is known for the sudden appearance of diverse hard-shelled fossils. This period marked the rapid diversification of marine life and the emergence of many new forms of life in Earth's oceans.


What is the first part of the Paleozoic era?

The first part of the Paleozoic era is the Cambrian period, lasting from approximately 541 to 485 million years ago. It is known for the sudden appearance of diverse marine life forms in the fossil record, marking the beginning of the explosion of life known as the Cambrian explosion.


What important evolutionary step did the Cambrian period bring to organisms?

The Cambrian period marked the diversification of multicellular life forms, leading to the development of many major animal groups known today. This period is often referred to as the "Cambrian explosion" due to the rapid evolution of diverse body plans and the emergence of complex organisms with hard parts.


What event marked the end of the Precambrian Era?

The Precambrian Era ended with the beginning of the Cambrian Period, approximately 541 million years ago. This period is characterized by the sudden appearance of a diverse range of complex life forms in the fossil record, known as the "Cambrian explosion".


Which conclusion about Paradoxides male area is supported by the information in the table?

Life forms existed during the Cambrian period.

Related Questions

What is the cambrain explosion?

life during the early Cambrian period


What is the significance of the didvision between the Cambrian and PreCambrian periods?

During the Cambrian period, life began to appear on the planet.


Is where trilobites and brachiopods appeared?

Trilobites and brachiopods first appeared during the Cambrian period, around 541 million years ago. They were both abundant and diverse in the ancient oceans, contributing to the biodiversity of marine life during that time.


Explosion of life what period?

Cambrian.


What is the time period era Cambrian where hard shelled fossils appeared?

The Cambrian period, which lasted from approximately 541 million years ago to 485 million years ago, is known for the sudden appearance of diverse hard-shelled fossils. This period marked the rapid diversification of marine life and the emergence of many new forms of life in Earth's oceans.


During which period in the geologic time scale was there a great increase in the variety of life forms on earth?

The Cambrian Period, approximately 541 million years ago, is known as the "Cambrian Explosion" because of the rapid diversification and increase in the variety of life forms on Earth during that time. This period saw the emergence of most major groups of animals that exist today.


What danger were in the Cambrian period?

During the Cambrian period, marine life faced dangers such as predation by early predators like anomalocaridids and trilobites. Competition for resources and environmental changes also presented challenges to organisms during this time.


What is the first part of the Paleozoic era?

The first part of the Paleozoic era is the Cambrian period, lasting from approximately 541 to 485 million years ago. It is known for the sudden appearance of diverse marine life forms in the fossil record, marking the beginning of the explosion of life known as the Cambrian explosion.


What important evolutionary step did the Cambrian period bring to organisms?

The Cambrian period marked the diversification of multicellular life forms, leading to the development of many major animal groups known today. This period is often referred to as the "Cambrian explosion" due to the rapid evolution of diverse body plans and the emergence of complex organisms with hard parts.


What event marked the end of the Precambrian Era?

The Precambrian Era ended with the beginning of the Cambrian Period, approximately 541 million years ago. This period is characterized by the sudden appearance of a diverse range of complex life forms in the fossil record, known as the "Cambrian explosion".


Which conclusion about Paradoxides male area is supported by the information in the table?

Life forms existed during the Cambrian period.


Why were there no plants during the Cambrian time era?

There were simple plants in the Cambrian Period(542 - 488.3Ma). Fossil algae has been found in Cambrian Rocks. Evidence of primitive algae from the Precambrian Super-Eon has also been found but exact classification has not been established. It is true that embryophytes (Plants we most recognise) did not evolve until the Ordovician Period(488.3 - 443.7Ma).