Mesozoic Flashcards
What are the three periods of the Mesozoic era?
Triassic, Jurassic, Cretaceous
True or False: The Mesozoic era is known as the Age of Reptiles.
True
Fill in the blank: The Mesozoic era lasted from _____ to _____ million years ago.
252 to 66
Which period is known for the dominance of dinosaurs?
Jurassic
What major event marks the end of the Mesozoic era?
The Cretaceous-Paleogene extinction event
What type of climate characterized the Mesozoic era?
Warm and humid climate
Multiple Choice: Which of the following was NOT a dominant group during the Mesozoic? A) Dinosaurs B) Mammals C) Insects
B) Mammals
What significant geological event occurred during the Mesozoic era?
The breakup of Pangaea
True or False: Flowering plants first appeared in the Mesozoic era.
True
Name one major group of reptiles that thrived in the Mesozoic.
Dinosaurs
Fill in the blank: The first birds appeared during the _____ period.
Late Jurassic
What is the significance of the Triassic period in the Mesozoic era?
It is when the first dinosaurs and mammals appeared.
Multiple Choice: Which of the following was a major marine reptile during the Mesozoic? A) Plesiosaurus B) Woolly Mammoth C) Tyrannosaurus rex
A) Plesiosaurus
What evolutionary trend is observed in dinosaurs during the Mesozoic?
Increase in size and diversity
True or False: The Mesozoic era is characterized by the presence of polar ice caps.
False
What type of ecosystems were prevalent during the Mesozoic era?
Forest ecosystems
Fill in the blank: The first mammals appeared in the _____ period.
Triassic
What was the dominant terrestrial vertebrate group during the Cretaceous period?
Dinosaurs
Multiple Choice: Which of the following was a significant plant group that evolved during the Mesozoic? A) Gymnosperms B) Angiosperms C) Both A and B
C) Both A and B
What major extinction event occurred at the end of the Mesozoic era?
Cretaceous-Paleogene extinction event
