Earth's History: Pangaea and Precambrian Eons Quiz

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What is the name of the massive supercontinent that formed between 320 million and 195 million years ago?

Pangaea

How many continents did Earth have when Pangaea existed?

One

What are the three subdivisions of the Precambrian eon?

Hadean, Archean, and Proterozoic

Name the first geological time period of the Paleozoic Era.

Cambrian Period Signup and view all the answers

What is the meaning of the Phanerozoic eon?

Visible life Signup and view all the answers

What were some of the animals that evolved during the Cambrian period?

Chordates, hard-bodied brachiopods, and arthropods Signup and view all the answers

What was the primitive plants that began to appear on land during the Cambrian period?

Non-vascular plants like mosses and liverworts Signup and view all the answers

What was the most remarkable biological event during the Silurian period?

Evolution and diversification of fish Signup and view all the answers

What group of fish first appeared during the Silurian with powerful jaws lined with bladelike plates?

Armored Placoderms Signup and view all the answers

What were the first terrestrial arthropods that appeared during the Devonian period?

Wingless insects and the earliest arachnids Signup and view all the answers

During which geological time period did the massive supercontinent Pangaea exist?

Carboniferous Period Signup and view all the answers

Which eon is subdivided into Hadean, Archean, and Proterozoic?

Precambrian Signup and view all the answers

Which eon is associated with the increase of free oxygen as a result of photosynthetic action by primitive life forms in the sea?

Proterozoic Signup and view all the answers

What is the meaning of the Phanerozoic eon?

Visible life Signup and view all the answers

Which eon is known for the formation of volcanic belts and marine rocks with fossils of microscopic bacteria and algae?

Archean Signup and view all the answers

What type of plants began to appear on land during the Cambrian period?

Non-vascular plants like mosses and liverworts Signup and view all the answers

Which group of fish first appeared during the Silurian period with powerful jaws lined with bladelike plates?

Placoderms Signup and view all the answers

What did the first terrestrial arthropods, including wingless insects and the earliest arachnids, appear during?

Devonian period Signup and view all the answers

What was one of the most remarkable biological events during the Silurian period?

Diversification of fish Signup and view all the answers

What type of plants were present on land before the second largest mass extinction at the end of the Cambrian period?

Non-vascular plants like mosses and liverworts Signup and view all the answers

Earth's History: Pangaea and Precambrian Eons Quiz

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Questions and Answers

What is the name of the massive supercontinent that formed between 320 million and 195 million years ago?

How many continents did Earth have when Pangaea existed?

What are the three subdivisions of the Precambrian eon?

Name the first geological time period of the Paleozoic Era.

What is the meaning of the Phanerozoic eon?

What were some of the animals that evolved during the Cambrian period?

What was the primitive plants that began to appear on land during the Cambrian period?

What was the most remarkable biological event during the Silurian period?

What group of fish first appeared during the Silurian with powerful jaws lined with bladelike plates?

What were the first terrestrial arthropods that appeared during the Devonian period?

During which geological time period did the massive supercontinent Pangaea exist?

Which eon is subdivided into Hadean, Archean, and Proterozoic?

Which eon is associated with the increase of free oxygen as a result of photosynthetic action by primitive life forms in the sea?

What is the meaning of the Phanerozoic eon?

Which eon is known for the formation of volcanic belts and marine rocks with fossils of microscopic bacteria and algae?

What type of plants began to appear on land during the Cambrian period?

Which group of fish first appeared during the Silurian period with powerful jaws lined with bladelike plates?

What did the first terrestrial arthropods, including wingless insects and the earliest arachnids, appear during?

What was one of the most remarkable biological events during the Silurian period?

What type of plants were present on land before the second largest mass extinction at the end of the Cambrian period?

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