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Of, belonging to, or designating the era of geologic time that includes the Cambrian, Ordovician, Silurian, Devonian, Mississippian, Pennsylvanian, and Permian periods and is characterized by the appearance of marine invertebrates, primitive fishes, land plants, and primitive reptiles.
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What do the terms Paleozoic mesozoic Cenozoic mean?
Paleozoic, Mesozoic, and Cenozoic refer to periods in Earth's history. The Paleozoic era began 542 million years ago and ended 251 million years ago. The Mesozoic era is the age of dinosaurs and was from 245 to 66 million years ago. The Cenozoic period began 65 million years ago and continues today.
Is petrified wood Precambrain or Paleozoic or Mesozoic Cenozoic?
Paleozoic
What do the terms Paleozoic Mesozoic and Cenozoic mean?
Paleozoic, Mesozoic, and Cenozoic refer to periods in Earth's history. The Paleozoic era began 542 million years ago and ended 251 million years ago. The Mesozoic era is the age of dinosaurs and was from 245 to 66 million years ago. The Cenozoic period began 65 million years ago and continues today.
What is the 1st period in the Paleozoic Era?
The first period in the Paleozoic Era was the Cambrian.
What does about mean in mathematical terms?
about in mathematical terms mean to round!
What do you mean the bullets in a computer terms?
what do you mean the bullet in computer terms
The Cambrian Period was part of what era?
The Cambrian Period was from about 543 to 490 million years ago. It is the earliest period in the Paleozoic ("old life") Era. Until relatively recently paleontologists thought this marked the beginning of life. Primitive life is now know from the Pre-Cambrian Eon.
What era were the brachiopods from?
Paleozoic
Which one of the following times would be the longest Jurassic period carboniferous period paleozoic era mesozoic?
The Paleozoic
Was a cobra alive in the paleozoic?
No. There were no snakes in the Paleozoic. The first snakes appeared in the late Meoszoic. Cobras appeared in the Cenozoic.
What does code 610 mean in medical terms?
What does code610 mean in medical terms
Which Paleozoic invertebrates had become extinct by the end of the Paleozoic?
Trilobites, eurypterids, and blastoids are examples of Paleozoic invertebrates that became extinct by the end of the Paleozoic era. These marine creatures were once diverse and abundant but disappeared due to various environmental changes and extinction events at the end of the era.
