Paleozoic Flashcards
memerize
What is the Paleozoic era known for?
The Paleozoic era is known for the development of early life forms, including the first fish, amphibians, and reptiles.
True or False: The Paleozoic era lasted from approximately 541 to 252 million years ago.
True
Fill in the blank: The Paleozoic era is divided into six periods: Cambrian, Ordovician, __________, Devonian, Carboniferous, and Permian.
Silurian
Which period is known as the ‘Age of Fishes’?
The Devonian period
Multiple Choice: During which period did the first land plants appear? A) Cambrian B) Ordovician C) Silurian D) Devonian
B) Ordovician
What major event marks the end of the Paleozoic era?
The Permian-Triassic extinction event
True or False: The Paleozoic era saw the first appearance of dinosaurs.
False
Short Answer: Name one significant evolutionary development that occurred during the Paleozoic era.
The development of vertebrates
Fill in the blank: The __________ period is known for the diversification of marine life, including trilobites and brachiopods.
Cambrian
Multiple Choice: Which of the following organisms first appeared in the Paleozoic era? A) Mammals B) Birds C) Amphibians D) Reptiles
C) Amphibians
What are the two main types of organisms that dominated the Carboniferous period?
Amphibians and large coal-forming plants
True or False: The Paleozoic era is characterized by the formation of supercontinents.
True
Short Answer: What significant geological event occurred at the end of the Paleozoic era?
The formation of Pangaea
Fill in the blank: The __________ period is known for the first extensive forests.
Carboniferous
Multiple Choice: What type of climate was prevalent during the Paleozoic era? A) Tropical B) Arctic C) Desert D) Temperate
D) Temperate
What was the dominant life form in the oceans during the Cambrian period?
Trilobites
True or False: The first reptiles appeared during the Carboniferous period.
True
Short Answer: What was a significant adaptation that allowed some fish to survive on land during the Devonian period?
Lungs and limb-like fins
Fill in the blank: The __________ extinction event at the end of the Permian period is considered the largest mass extinction in Earth’s history.
Permian-Triassic