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Before the dinosaurs there was a plethora of life including fish, trilobites, lungfish, amphibians, and plenty more.
In the Proterozoic era (2 billion to 650 million years ago) there was an assortment of single-celled and simple multi-celled creatures. The next 200 million years (early Paleozoic) showed a great expansion of life in the seas, including a diverse assortment of corals, mollusks, trilobites, sponges, shrimps, and other creatures. the next 150 million years (late Paleozoic) included the development of fish, land plants, insects, amphibians, and ultimately reptiles and flowering plants. The earliest dinosaurs began roughly 250 million years ago (the Mesozoic).
What else can I help you with?
Why was Jurassic period called Jurassic period?
The Jurassic period is named after the Jura Mountains in Switzerland where significant geological strata from this time period were first studied. These rocks contain abundant fossils from the Jurassic period, which lasted from approximately 201 to 145 million years ago.
What eon was the mesozoic era in?
The Jurassic Period of geologic time spanned from 206 to 144 million years ago. It was preceded by the Triassic Period and followed by the Cretaceous Period, all three comprising the Mesozoic Era.
What were the type of plant life during the Jurassic time period?
During the Jurassic period, the dominant plants were gymnosperms, including conifers, cycads, and ginkgoes. Ferns and horsetails were also prevalent, along with the early angiosperms. These plants contributed to the lush forests that characterized the Jurassic landscape.
What was the major geologic event during the Jurassic time period?
The breakup of the supercontinent Pangaea and the opening of the Atlantic Ocean was the major geologic event during the Jurassic time period. This led to significant changes in global climate and ocean circulation, as well as the evolution and diversification of marine and terrestrial life forms.
What ended the Jurassic time period?
The end of the Jurassic period was marked by a mass extinction event that wiped out a significant portion of species, including some dinosaurs. This event was likely caused by a combination of volcanic activity, climate change, and possibly an asteroid impact.
What period did the Trex from?
It came from the Jurassic time period.
Which came first the Jurassic or Triassic period of geologic time?
The Triassic period came before the Jurassic period in geologic time. The Triassic period lasted from around 251 million to 201 million years ago, followed by the Jurassic period, which lasted from around 201 million to 145 million years ago.
What is the Jurassic time period?
The Jurassic time period is with the t rex and other animals
Was Jurassic the longet period of time?
The Cretaceous Period was the longest period of time.
Which period is older than the Triassic period?
The Jurassic Period followed the Triassic.
Is Jurassic a time period?
Yes it is.
Does the Jurassic time period have a nickname?
Jurassic Period. That's pretty much it. Its the middle of the Age of Dinosaurs.
During What period did reptiles evolve?
Jurassic time period
What time period did the allasorous live in?
It lived in the Jurassic period.
What geologic time period did the crylophsaurus live?
the Jurassic Period
What time period is Jurassic Park?
Jurassic Park was set in modern times and not a geological period...however the dinosaurs were from the Jurassic Period.
How did the Jurassic time period get its name?
The Jurassic Period is named for the Jura Mountains, part of the Alps between France and Switzerland, which date to this period.
