WorksheetsBiology Ev8 Quiz
Total questions: 12
Worksheet time: 7mins
The Mesozoic Era is literally the era of “______________ life.”
First
Early
Middle
Last
When did the mass extinctions occur during the Mesozoic Era.
the Triassic and Cretaceous
the Jurassic and Cretaceous
the Triassic, Jurassic, and Cretaceous
the Triassic and Jurassic
Rhe supercontinent Pangaea separated into two continents, what are their names?
Gondwanaland
Laurasia
Westeros
Tethys
Númenor
During this period, huge seed ferns and conifers dominated the forests, and modern corals, fish, and insects evolved.
Triassic
Jurassic
Cretaceous
all of these periods
Flowering plants appeared for the first time during this period, and new insects also evolved to pollinate the flowers.
Triassic
Jurassic
Cretaceous
none of these periods
Which of these are true of the Jurassic Period? (Check all that apply)
It was also known as the golden age of dinosaurs.
The supercontinent Pangaea started to separate
Dinosaurs reached their peak in size and distribution
all the major groups of mammals evolved, though individual mammals were still small in size
the earliest birds evolved from reptile ancestors
During the Jurassic Period (145–65 million years ago), dinosaurs reached their peak in size and distribution
true
false
Tyrannosaurus Rex lived during this period.
Triassic
Jurassic
Cretaceous
none of these
By the end of the Cretaceous, where were the continents positioned.
in the Northern Hemisphere
in the Southern Hemisphere
about where they exist today
in a supercontinent called Pangaea
Tyrannosaurus Rex, weighed at least 7 tons. What period were they found in?
Triassic
Jurassic
Cretaceous
Some scientists think a comet or asteroid may have collided with Earth. How did this cause the extinction of the dinosaurs?
the resulting explosion burned most of the life on the planet.
dust and debris from comets caused skies to darken, photosynthesis to shut down, and climates to change.
huge tsunamis created waves that covered most land masses
the impact of comets greatly increased the amount of volcanic activity
Without the dinosaurs, there were many opportunities for new organisms to exploit in the next era, the Cenozoic.
true
false
