0
What else can I help you with?
How did the Precambrian Era end?
The Precambrian Era ended around 541 million years ago with the Cambrian Explosion, a period of rapid diversification of life forms. This marked the transition to the Phanerozoic Eon, characterized by the emergence of complex multicellular organisms.
Why did precambrian end?
The Precambrian ended about 541 million years ago.
Where in the fossil record can you find fossils of the oldest life forms?
The fossils of the oldest life forms can be found in the Precambrian period of the fossil record.
What is the nature of rocks from the Pre Cambrian period to Quarternary period?
Rocks from the Precambrian period are typically igneous and metamorphic, formed before complex life existed. Sedimentary rocks become more common in the Paleozoic, Mesozoic, and Cenozoic eras, which include the Quaternary period, reflecting changes in Earth's environment and life forms over time. The Quaternary period is also characterized by glacial deposits and other evidence of ice ages.
What started the Cambrian era?
The Cambrian era started around 541 million years ago due to an increase in atmospheric oxygen levels, allowing for the evolution of larger and more complex life forms. This period marked the rapid diversification and proliferation of various multicellular organisms in the world's oceans.
Is the phrase after a supernova an adverb or an adjective phrase?
It is an adverb phrase, although in forms such as "The period after a supernova is marked by stellar collapse" it seems to be an adjective phrase.
What is a another name for the Mesolithic ara?
Another name for the Mesolithic era is the "Middle Stone Age." This period, which follows the Paleolithic and precedes the Neolithic, is characterized by the development of microliths and changes in human subsistence patterns as societies transitioned from a primarily hunter-gatherer lifestyle to more settled forms of living. The Mesolithic is marked by significant climatic and environmental changes, influencing human activities and social structures.
The Eon from 2.5 to 0.542 billion years ago is known as the?
The Eon from 2.5 to 0.542 billion years ago is known as the Proterozoic Eon. It was a crucial period in Earth's history marked by the formation of complex life forms and significant geological changes.
The boundaries of eras are marked by great worldwide changes in what?
I would say Earth's crust because eof different eras there are usually different landmasses. I hope this helped NOPE LIES
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".
Are forms of phase changes?
evaporation and deposition
What main characteristic distinguishes the fossil record of the Paleozoic Era from that of the Precambrian Era?
The main characteristic that distinguishes the fossil record of the Paleozoic Era from the Precambrian Era is the appearance of diverse and complex multicellular organisms in the Paleozoic Era. In the Precambrian Era, the fossil record primarily consists of simpler single-celled organisms. Additionally, the Cambrian Explosion, which occurred at the beginning of the Paleozoic Era, marked a significant increase in the diversity of life forms.
What forms when water vapor changes into a liquid?
Water forms by the condensation of water vapor.
What forms as heat or pressure cause changes in an existing rock?
A "metamorphic" rock forms.
Period 3 element that forms a 3- ion?
The third period element that forms a 3- ion is sulfur.
When matter changes forms from a liquid to a gas or from a solid to a liquid this change is a?
They are physical changes.
How did the Precambrian Era end?
The Precambrian Era ended around 541 million years ago with the Cambrian Explosion, a period of rapid diversification of life forms. This marked the transition to the Phanerozoic Eon, characterized by the emergence of complex multicellular organisms.
