Paleozoic Flashcards

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1
Q

What is the Paleozoic era known for?

A

The Paleozoic era is known for the development of early life forms, including the first fish, amphibians, and reptiles.

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2
Q

True or False: The Paleozoic era lasted from approximately 541 to 252 million years ago.

A

True

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3
Q

Fill in the blank: The Paleozoic era is divided into six periods: Cambrian, Ordovician, __________, Devonian, Carboniferous, and Permian.

A

Silurian

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4
Q

Which period is known as the ‘Age of Fishes’?

A

The Devonian period

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5
Q

Multiple Choice: During which period did the first land plants appear? A) Cambrian B) Ordovician C) Silurian D) Devonian

A

B) Ordovician

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6
Q

What major event marks the end of the Paleozoic era?

A

The Permian-Triassic extinction event

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7
Q

True or False: The Paleozoic era saw the first appearance of dinosaurs.

A

False

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8
Q

Short Answer: Name one significant evolutionary development that occurred during the Paleozoic era.

A

The development of vertebrates

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9
Q

Fill in the blank: The __________ period is known for the diversification of marine life, including trilobites and brachiopods.

A

Cambrian

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10
Q

Multiple Choice: Which of the following organisms first appeared in the Paleozoic era? A) Mammals B) Birds C) Amphibians D) Reptiles

A

C) Amphibians

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11
Q

What are the two main types of organisms that dominated the Carboniferous period?

A

Amphibians and large coal-forming plants

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12
Q

True or False: The Paleozoic era is characterized by the formation of supercontinents.

A

True

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13
Q

Short Answer: What significant geological event occurred at the end of the Paleozoic era?

A

The formation of Pangaea

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14
Q

Fill in the blank: The __________ period is known for the first extensive forests.

A

Carboniferous

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15
Q

Multiple Choice: What type of climate was prevalent during the Paleozoic era? A) Tropical B) Arctic C) Desert D) Temperate

A

D) Temperate

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16
Q

What was the dominant life form in the oceans during the Cambrian period?

A

Trilobites

17
Q

True or False: The first reptiles appeared during the Carboniferous period.

18
Q

Short Answer: What was a significant adaptation that allowed some fish to survive on land during the Devonian period?

A

Lungs and limb-like fins

19
Q

Fill in the blank: The __________ extinction event at the end of the Permian period is considered the largest mass extinction in Earth’s history.

A

Permian-Triassic