Section #: 24.2
Mesozoic Life
Practice Test
1.
What theory may explain the mass extinction event at the end of the Mesozic Era?
SC.D.1.4.4
a.
the meteorite impact theory
b.
the Big Bang theory
c.
the theory of plate tectonics
d.
the theory of evolution
Hint
2.
How do scientists distinguish between mammals and reptile fossils?
SC.D.1.4.4
a.
the presence or absence of a wishbone
b.
by their hip-bones and the shape of their teeth
c.
the ear bone structure only
d.
by the shape of the teeth, number of ear bones, and the number of lower jawbones
Hint
3.
What is a sauropod dinosaur?
SC.D.1.4.4
a.
one type of saurischian dinosaur
b.
a herbivorous dinosaur
c.
a quadrupedal dinosaur
d.
all of the above
Hint
4.
What is a pterosaur?
SC.D.1.4.4
a.
a modern-day turtle that evolved in the Mesozic Era
b.
a swimming reptile that resembles a modern dolphin
c.
a mammal that lived in the Mesozoic grasslands
d.
a flying reptile that had light, hollow bones like modern birds
Hint
5.
What is the Mesozoic commonly referred to?
SC.D.1.4.4
a.
the Age of the First Mammals
b.
the Age of Humans
c.
the Age of Reptiles
d.
the Permo-Triassic Extinction age
Hint
6.
What did all ornithischian dinosaurs have in common?
SC.D.1.4.4
a.
All were herbivores.
b.
They were bipedal.
c.
They were carnivores.
d.
They were large.
Hint
7.
What characteristic of dinosaurs distinguishes them from other reptiles?
SC.D.1.4.4
a.
the large range of sizes of dinosaurs
b.
the upright posture of dinosaurs
c.
Most reptiles lived in the oceans during the Mesozoic.
d.
Dinosaurs were herbivores and carnivores.
