GLY1102 | Exam Actual Questions & Verified
Answers | 100% Correct | A Grade – 2026
The extinction event at the end of the Cretaceous was the most extreme in geologic history.
False
- end of Permian was the largest extinction event
A mass extinction is technically defined as ____% of all genera (families of organisms) going
extinct.
50%
How many mass excinctions have there been in geologic history?
5
One piece of evidence for a large meteor impact at the end of the Cretaceous is a layer of clay
found all over the world with a high concentration of:
iridium
Rapid exposure to high heat and pressure, like an explosion or impact can produce a fracture
pattern in minerals referred to as _________ minerals.
shocked
Large scale volcanic activity took place in what is now _______ at the end of the Cretaceous.
india
The meteor crater that resulted from an impact at the end of the Cretaceous is not obvious on
the Earth's surface. Which of the following is NOT something used to pinpoint the location of
impact?
gold deposits
The extinction scenario that relies on volcanic activity would produce a __________ extinction
event.
gradual
The location with the most extensively sampled record of dinosaur extinction is in _____.
eastern montana usa
,Our focus on dinosaurs obscures the fact that most genera of _________ were not affected
much by the Cretaceous extinction event.
all of the abve
Microscopic organisms, such as ocean plankton, were mostly unaffected by the end
Cretaceous extinction.
false
After the mass extinction at the end of the Mesozoic, mammals:
rapidly diversifed
Many of the animals we have on Earth today are descended from Cenozoic animals that were
quite different in terms of size. For example, sloths of the Cenozoic were:
giant - as tall as trees
One of the key difference between birds and dinosaurs can be found in the forelimbs, where
birds have:
carpals (finger bones) that are fused
Part of the reason that birds are so light in weight for their size is that their long bones are
________________, a trait that may have been shared by some dinosaurs.
connected to their lungs/pulmonary systems
The skeletal structure of Archaeopteryx has more in common with a theropod dinosaurs that
a bird.
true
Scansorioperyx is a fossil that some paleontologist argue demonstrates:
bird ancestors pre-date the dinosaurs
The arboreal hypothesis for the origin of flight maintains that flight originated:
from jumping out of trees
The principal criticism of the cursorial hypothesis of the origin of flight is that:
catching insects w feathered hands does not seem practical
A ratite is a class of:
flightless birds
,The extinction event at the end of the Cretaceous was the most severe extinction event in
geologic history in terms of the number of species that went extinct.
False
There have been ____ mass extinctions in geologic history.
5
A mass extinction is technically defined as an event were at least ____% of all genera (families
of organisms) goes extinct.
50
One piece of evidence for a large meteor impact at the end of the Cretaceous is a layer of clay
found all over the world with a high concentration of:
iridium
Rapid exposure to high heat and pressure, like an explosion or impact can produce a fracture
pattern in minerals referred to as _________ minerals.
shocked
The meteor crater that resulted from an impact at the end of the Cretaceous is not obvious on
the Earth's surface. Which of the following is NOT something used to pinpoint the location of
impact?
gold deposits
The extinction scenario that relies on volcanic activity would produce a __________ extinction
event.
gradual
The location with the most extensively sampled record of dinosaur extinction is in _____.
eastern Montana, USA
The extinction of dinosaurs impacted a small percentage of all the genera of dinosaurs that
ever lived.
True
True of False: Plankton and other types of microscopic ocean organisms were mostly
unaffected by the end Cretaceous extinction.
False
, Many of the animals we have on Earth today are descended from Cenozoic animals that were
quite different in terms of size. For example, sloths of the Cenozoic were:
giant - as tall as trees.
The climate on Earth in the Cenozoic was ________________ than the Cretaceous.
Cooler and Drier
Part of the reason that birds are so light in weight for their size is that their long bones are
________________, a trait that may have been shared by some dinosaurs.
connected to their lungs / pulmonary system.
One of the key difference between birds and dinosaurs can be found in the forelimbs, where
birds have:
carpals (finger bones) that are fused.
Scansorioperyx is a fossil that some paleontologist argue demonstrates:
bird ancestors pre-date the dinosaurs.
Birds are members of the genus Aves, a branch of the _____________ group.
Maniraptorian
The arboreal hypothesis for the origin of flight maintains that flight originated:
from jumping out of trees.
The skeletal structure of Archaeopteryx has more in common with a theropod dinosaurs that
a bird.
True
Modern Birds are ______________ Tyrannosaurus Rex
part of the same phylogenetic group, but not direct descendants of
The principal criticism of the cursorial hypothesis of the origin of flight is that:
catching insects with feathered hands does not seem practical
Which of the following theories does not have sufficient scientific evidence to merit
consideration as a cause of the extinction of the dinosaurs?
egg-eating mammals
Answers | 100% Correct | A Grade – 2026
The extinction event at the end of the Cretaceous was the most extreme in geologic history.
False
- end of Permian was the largest extinction event
A mass extinction is technically defined as ____% of all genera (families of organisms) going
extinct.
50%
How many mass excinctions have there been in geologic history?
5
One piece of evidence for a large meteor impact at the end of the Cretaceous is a layer of clay
found all over the world with a high concentration of:
iridium
Rapid exposure to high heat and pressure, like an explosion or impact can produce a fracture
pattern in minerals referred to as _________ minerals.
shocked
Large scale volcanic activity took place in what is now _______ at the end of the Cretaceous.
india
The meteor crater that resulted from an impact at the end of the Cretaceous is not obvious on
the Earth's surface. Which of the following is NOT something used to pinpoint the location of
impact?
gold deposits
The extinction scenario that relies on volcanic activity would produce a __________ extinction
event.
gradual
The location with the most extensively sampled record of dinosaur extinction is in _____.
eastern montana usa
,Our focus on dinosaurs obscures the fact that most genera of _________ were not affected
much by the Cretaceous extinction event.
all of the abve
Microscopic organisms, such as ocean plankton, were mostly unaffected by the end
Cretaceous extinction.
false
After the mass extinction at the end of the Mesozoic, mammals:
rapidly diversifed
Many of the animals we have on Earth today are descended from Cenozoic animals that were
quite different in terms of size. For example, sloths of the Cenozoic were:
giant - as tall as trees
One of the key difference between birds and dinosaurs can be found in the forelimbs, where
birds have:
carpals (finger bones) that are fused
Part of the reason that birds are so light in weight for their size is that their long bones are
________________, a trait that may have been shared by some dinosaurs.
connected to their lungs/pulmonary systems
The skeletal structure of Archaeopteryx has more in common with a theropod dinosaurs that
a bird.
true
Scansorioperyx is a fossil that some paleontologist argue demonstrates:
bird ancestors pre-date the dinosaurs
The arboreal hypothesis for the origin of flight maintains that flight originated:
from jumping out of trees
The principal criticism of the cursorial hypothesis of the origin of flight is that:
catching insects w feathered hands does not seem practical
A ratite is a class of:
flightless birds
,The extinction event at the end of the Cretaceous was the most severe extinction event in
geologic history in terms of the number of species that went extinct.
False
There have been ____ mass extinctions in geologic history.
5
A mass extinction is technically defined as an event were at least ____% of all genera (families
of organisms) goes extinct.
50
One piece of evidence for a large meteor impact at the end of the Cretaceous is a layer of clay
found all over the world with a high concentration of:
iridium
Rapid exposure to high heat and pressure, like an explosion or impact can produce a fracture
pattern in minerals referred to as _________ minerals.
shocked
The meteor crater that resulted from an impact at the end of the Cretaceous is not obvious on
the Earth's surface. Which of the following is NOT something used to pinpoint the location of
impact?
gold deposits
The extinction scenario that relies on volcanic activity would produce a __________ extinction
event.
gradual
The location with the most extensively sampled record of dinosaur extinction is in _____.
eastern Montana, USA
The extinction of dinosaurs impacted a small percentage of all the genera of dinosaurs that
ever lived.
True
True of False: Plankton and other types of microscopic ocean organisms were mostly
unaffected by the end Cretaceous extinction.
False
, Many of the animals we have on Earth today are descended from Cenozoic animals that were
quite different in terms of size. For example, sloths of the Cenozoic were:
giant - as tall as trees.
The climate on Earth in the Cenozoic was ________________ than the Cretaceous.
Cooler and Drier
Part of the reason that birds are so light in weight for their size is that their long bones are
________________, a trait that may have been shared by some dinosaurs.
connected to their lungs / pulmonary system.
One of the key difference between birds and dinosaurs can be found in the forelimbs, where
birds have:
carpals (finger bones) that are fused.
Scansorioperyx is a fossil that some paleontologist argue demonstrates:
bird ancestors pre-date the dinosaurs.
Birds are members of the genus Aves, a branch of the _____________ group.
Maniraptorian
The arboreal hypothesis for the origin of flight maintains that flight originated:
from jumping out of trees.
The skeletal structure of Archaeopteryx has more in common with a theropod dinosaurs that
a bird.
True
Modern Birds are ______________ Tyrannosaurus Rex
part of the same phylogenetic group, but not direct descendants of
The principal criticism of the cursorial hypothesis of the origin of flight is that:
catching insects with feathered hands does not seem practical
Which of the following theories does not have sufficient scientific evidence to merit
consideration as a cause of the extinction of the dinosaurs?
egg-eating mammals
