1 – General Ornithischian
True-False
Ornithischian dinosaur hip structure is characterized by a pubic bone pointing forward and away from the ischium.
Ornithischian dinosaur hip structure is characterized by a pubic bone pointing backward and parallel to the ischium.
A major characteristic of Ornithischians is the possession of an opisthopubic pelvis (pubis rotated backward to lie close to & parallel with the ischium).
A major characteristic of Ornithischian dinosaurs is the possession of an opisthopubic pelvis (pubis rotated backward to lie close to & parallel with the ischium).
Possession of an opisthopubic pelvis (pubis rotated backward to lie close to & parallel with the ischium) is a major characteristic of Ornithischian dinosaurs.
Only a few groups of ornithischian dinosaurs had rhamothecae, that is horn-covered beaks.
Rhamothecae, that is horn-covered beaks, were possessed by only a few groups of ornithischian dinosaurs.
Only Stegosaurs and Ceratopsians had rhamothecae.
Rhamothecae were possessed only by Stegosaurs and Ceratopsians.
Except for the basal form Lesothosaurus, all ornithischian dinosaurs belong to the clade Genosauria.
All ornithischian dinosaurs belong to the clade Genosauria except for the basal form Lesothosaurus.
All Ornithischian dinosaurs with the exception of Lesothosaurus are included in the clade Genosauria (cheek lizard).
Genosauria (cheek lizard) is the clade that includes all Ornithischian dinosaurs with the exception of Lesothosaurus.
Among Ornithischians, Ornithopods & Thyreophorans are more closely related to each other than either group is to the Marginocephalians (Pachycephalosaurs & Ceratopsians).
Thyreophorans & Ornithopods are more closely related to each other than either group is to the Marginocephalians (Pachycephalosaurs & Ceratopsians) among Ornithischians.
Thyreophorans consist of Pachycephalosaurs, Ceratopsians & Ornithopods.
Cerapodans consist of Stegosaurs & Ankylosaurs.
Marginocephalians consist of Stegosaurs & Ankylosaurs.
Multiple Choice
Thyreophorans consist of ___________________________.
___________________________ are the dinosaurs included in the clade Thyreophora.
A. Stegosaurs B. Pachycephalosaurs C. Ceratopsians D. Ankylosaurs E. Both A. & D.
Marginocephalians consist of ___________________________.
A. Ankylosaurs B. Ceratopsians
C. Pachycephalosaurs D. Stegosaurs E. Both B. & C.
Fill in the Blank
A major characteristic of ________________________________ (one of two major dinosaur clades) dinosaurs is the possession of an opisthopubic pelvis (pubis rotated backward to lie close to & parallel with the ischium).
The possession of an opisthopubic pelvis (pubis rotated backward to lie close to & parallel with the ischium) is a major characteristic of _________________________________________ (one of two major dinosaur clades).
Genosauria (cheek lizard) is the clade that includes all ________________________________ (major dinosaur division) dinosaurs with the exception of Lesothosaurus.
Genosauria (cheek lizard) is the clade that includes all ________________________________ (one of two major dinosaur clades) dinosaurs with the exception of Lesothosaurus.
With the exception of Lesothosaurus all ________________________________ (one of two major dinosaur clades) dinosaurs are included in the clade Genosauria (cheek lizard).
Thyreophorans consist of 2 groups. Give the name of one of these groups: ________________________.
All groups of Ornithischian dinosaurs had rhamothecae, that is, horn-covered _______________________________.
Among Ornithischians, Ornithopods & ________________________________ (a major dinosaur clade consisting of Pachycephalosaurs & Ceratopsians) are more closely related to each other than either group is to the ________________________________ (a major dinosaur clade consisting of Stegosaurs & Ankylosaurs).
2 – Ornithopods
True-False
Hadrosauridae, the “duck-billed” dinosaurs, existed only during the Late Cretaceous.
The “duck-billed” dinosaurs, or the Hadrosauridae, existed only during the Late Cretaceous.
About one half of all ornithopod genera are “duck-billed” hadrosaurids.
About one half of all ornithopod genera are “duck-billed” Hadrosauridae.
The “duck-billed” Hadrosauridae make up about one half of all ornithopod genera.
Ornithopods are found from the paleoequator to high-paleolatitudes like the North Slope of Alaska.
Ornithopod fossils are found over a wide range of paleolatitudes.
The skeletons of Ornithopods are often found upside down, suggesting that bloated carcasses were tipped upside down from the weight of their armor.
Iguanodon had an unusual hand - a spike for a thumb, 3 hoofed digits, and an opposable pinkie.
An opposable pinkie, 3 hoofed digits, and a spike for a thumb made up the unusual hand of Iguanodon.
Ornithopod tails were very flexible, good for swimming and dragged on the ground.
Paleontologists know something definitive about what ornithopods ate because of the stomach contents preserved in mummies.
Iguanodontians lived in large, migratory herds of both youngsters and adults that required communication.
Iguanodontians lived in large, migratory herds of both youngsters and adults.
Hadrosaurids had an array of headgear, including inflatable flaps of skin, solid crest & hollow-crests that would have provided excellent visual as well as aural recognition.
Hypacrosaurus is a genus of Lambeosaurine hadrosaur.
Ornithopods show no evidence of sexual dimorphism.
Nests with eggs in large nesting colonies have been well documented for Hypacrosaurus, Maiasaura, and Orodromeus.
All ornithopod hatchlings were precocial, requiring no parental care, and left the nest immediately upon hatching.
The image on the attached page is Hypacrosaurus.
Multiple Choice
Which of the following statements is true about the dinosaurs making up the Ornithopod clade Heterodontosauridae?
A. Dinosaurs making up the Ornithopod clade Heterodontosauridae are quadrupedal, large and found only in Late Cretaceous strata.
B. The name Heterodontosauridae comes from the fact that the teeth of the dinosaurs making up the clade are identical.
C. Dinosaurs making up the Ornithopod clade Heterodontosauridae are found worldwide.
D. none of these E. all of these
Hadrosauridae, the “duck-billed” dinosaurs, existed only during the ______________________.
A. Late Triassic B. Early Jurassic C. Middle Jurassic D. Late Cretaceous E. none of these
______________________ were the smartest dinosaurs among the groups we have discussed so far in class.
A. Sauropods B. Pachycephalosaurs C. Ornithopods D. Ceratopsians E. Ankylosaurs
____________________________ had an array of headgear, including inflatable flaps of skin, solid crest & hollow-crests that would have provided excellent visual as well as aural recognition.
A. Hypsilophodontids B. Heterodontosaurids C. both A. & B. D. Hadrosaurids E. Ankylosaurs
Nests with eggs in large nesting colonies have been well documented for ______________________.
A. Hypacrosaurus B. Maiasaura C. Orodromeus D. A., B. & C. E. Triceratops
Fill in the Blank
Ornithischian dinosaur genera that Sir Richard Owen used to define “Dinosauria” are _______________________________ & Hylaeosaurus.
One of the first dinosaur genera to be named was _____________________________ (genus name), which Dr. Gideon Mantell named after his wife found fossils of this dinosaur in 1822.
_____________________________ (genus name), which Dr. Gideon Mantell named after his wife found fossils of this dinosaur in 1822, was one of the first dinosaur genera to be named.
Hadrosauridae, the “duck-billed” dinosaurs, existed only during the late _______________________________.
About one half of all Ornithopod genera are “duck-billed” _____________________________________ (Ornithopod family).
About one half of all ornithopod genera are “duck-billed” and placed in the family __________________ .
_____________________________________ (dinosaur group to which a chapter is devoted) are found from the paleoequator to high-paleolatitudes like the North Slope of Alaska.
_____________________________________ (Ornithopod genus) had an unusual hand - a spike for a thumb, 3 hoofed digits, and an opposable pinkie.
Give the name of a genus of Lambeosaurine hadrosaur: ______________________________________ .
___________________________________ were the smartest dinosaurs among the groups we have discussed so far in class.
3A – Thyreophora (Stegosauria)
True-False
Stegosaurus is found in the Late Jurassic Morrison Formation of western North America while Kentrosaurus is found in Late Jurassic units in Tendaguru in Tanzania.
Kentrosaurus is found in Late Jurassic units in Tendaguru in Tanzania while Stegosaurus is found in the Late Jurassic Morrison Formation of western North America.
Stegosaurus, found in the late Jurassic Morrison Formation of western North America, is about the same age as Kentrosaurus, found in units in Tendaguru in Tanzania.
Kentrosaurus, found in units in Tendaguru in Tanzania, is about the same age as Stegosaurus, found in the late Jurassic Morrison Formation of western North America.
Stegosaurs may have been able to rear up on their hind legs to feed higher in trees.
Stegosaurs could never have been able to rear up on their hind legs to feed higher in trees.
Stegosaurs have a mix of characteristics, some of which suggest sophisticated oral food processing and others of which suggest simple oral food processing combined with internal food breakup.
The plates of Stegosaurus may have been used for thermoregulation.
Thermoregulation may have been one of the uses of the plates of Stegosaurus.
Multiple Choice
__________________ existed from the Middle Jurassic to Early Late Cretaceous (~170 - 95 million years) reached their maximum diversity - 7 species - during the Late Jurassic.
A. Ankylosaurs B. Pachycephalosaurs C. Stegosaurs D. Both A. & B.
Stegosaurs existed from the Middle Jurassic to Early Late Cretaceous (~170 - 95 million years), although they reached their maximum diversity - 7 species - during the ______________ Period.
Although they reached their maximum diversity - 7 species - during the _____________________, Stegosaurs existed from the Middle Jurassic to Early Late Cretaceous (~170 - 95 million years).
A. Middle Jurassic B.Late Jurassic C. Early Cretaceous D. Late Cretaceous
A. Late Triassic B. Early Jurassic C. Late Jurassic D. Late Cretaceous
______________________ had their maximum diversity during the Late Jurassic.
A. Ceratopsians B. Pachycephalosaurs C. Sauropods D. Stegosaurs E. Both C. & D.
______________________ might have reared up on their hindlegs, using their tail as a third “leg” to form a tripod, to feed higher up in trees.
Using their tail as a third “leg” to form a tripod, ______________________ might have reared up on their hindlegs to feed higher up in trees.
A. Anklylosaurs B. Ceratopsians C. Pachycephalosaurs D. Stegosaurs E. none of these
The genus name of the animal that possessed the big black non-skull on the right side of the table in front (item A) is _______________ and it may have used it for thermoregulation.
_______________ is the genus name of the animal that possessed the big black non-skull on the right side of the table in front (item A) and it may have used it for thermoregulation.
A. Velociraptor B. Stegosaurus C. Pachycephalosaurus D. Diplodocus E. none of these
Fill in the Blank
Stegosaurs existed from the Middle Jurassic to Early Late Cretaceous (~170 - 95 million years), although they reached their maximum diversity - 7 species - during the _______________________________.
Stegosaurus is found in the Late Jurassic Morrison Formation of western North America while _______________________________ (Stegosaur genus) is found in Late Jurassic units in Tendaguru in Tanzania.
The ___________________________ of Stegosaurus may have been used for thermoregulation.
_______________________ (dinosaur genus) plates are covered with an extensive pattern of grooves, and the insides are filled with a honeycomb of channels, probably for conveying blood vessels.
Possession of plates covered with an extensive pattern of grooves, with insides filled with a honeycomb of channels, probably for conveying blood vessels, is a characteristic of _______________________ (dinosaur genus)
3B – Thyreophora (Ankylosauria)
True-False
Like Stegosaurs, Ankylosaurs existed from the Middle Jurassic to Late Cretaceous (~175 - 65 million years), and like Stegosaurs they reached their maximum diversity - at least 9 genera - during the Late Jurassic.
Ankylosaurs, like Stegosaurs, reached their maximum diversity - at least 9 genera - during the Late Jurassic, although like Stegosaurs they existed from the Middle Jurassic to Late Cretaceous (~175 - 65 million years).
Ankylosaurs may have been able to rear up on their hind legs to feed higher in trees.
Among Ankylosaurs, Nodosaurids have a tail club.
Among Ankylosaurs, Ankylosaurids have a tail club.
Ankylosaurs are divided into 2 clades based on the presence (Ankylosauridae) or absence (Nodosauridae) of a tail club.
The presence (Ankylosauridae) or absence (Nodosauridae) of a tail club is the basis for dividing Ankylosaurs into 2 clades.
A Nodosaurid probably faced a predator to present its spines or else hunkered down to defend itself.
To defend itself, a Nodosaurid probably faced a predator to present its spines or else hunkered down.
To defend itself, an Ankylosaurid probably faced a predator to present its spines or else hunkered down.
Head butting was probably a characteristic of Ankylosaurs.
Multiple Choice
To defend itself, a _______________________ probably faced a predator to present its spines or else hunkered down.
Facing a predator to present its spines or else hunkering down probably was the way a __________________defended itself.
A. domed Pachycephalosaur B. crested Ornithopod C. horned Ceratopsian D. ankylosaurid Ankylosaur E. nodosorid Ankylosaur
Fill in the Blank
Hylaeosaurus - one of the three original members of Owen’s Dinosauria - was a genus of _____________________________ (dinosaur clade to which a chapter is devoted).
Like Stegosaurs, Ankylosaurs existed from the middle Jurassic to late Cretaceous (~175 - 65 million years), but unlike Stegosaurs they reached their maximum diversity - at least 9 genera - during the late ___________________________.
Ankylosaurs are divided into 2 clades: _____________________________________ (Ankylosaur family) has a tail club, _____________________________________ (Ankylosaur family) has no tail club.
Ankylosaurs are divided into 2 clades based on the presence (Ankylosauridae) or absence (Nodosauridae) of a _____________________________.
To defend itself, a ______________________________________ (Ankylosaur family) probably faced a predator to present its spines or else hunkered down.
______________________________ (dinosaur group to which a chapter is devoted) skeletons are often found upside down, suggesting that bloated carcasses were tipped upside down from the weight of their armor.
The skeletons of ______________________________ (dinosaur group to which a chapter is devoted) are often found upside down, suggesting that bloated carcasses were tipped upside down from the weight of their armor.
4A – Marginocephalia (Ceratopsians)
True-False
Ceratopsians are noted for a sharp, parrotlike beak, formed by the rostral bone at the tip of the snout.
Only Psittacosaurus, among Ceratopsians, is not found in Late Cretaceous strata.
Among ceratopsians, only Psittacosaurus is not found in Late Cretaceous strata.
It is unclear whether small, “primitive” genera of ceratopsians form a clade called Protoceratopsidae or not.
Whether or not small, “primitive” genera of ceratopsians form a clade called Protoceratopsidae is unclear.
Although Triceratops has a short frill, it is still considered to be a member of the Chasmosaurinae.
Triceratops is considered to be a member of the Chasmosaurinae even though it has a short frill.
Large, quadrupedal Ceratopsids are divided into 2 clades: Chasmosaurinae (long frills, eye & nose horns) and Centrosaurinae (short frills, nose horn or boss only).
Chasmosaurinae (long frills, eye & nose horns) and Centrosaurinae (short frills, nose horn or boss only) are the 2 clades into which large, quadrupedal Ceratopsids are divided.
No ceratopsian had gastroliths.
No ceratopsian possessed gastroliths.
Gastroliths were possessed by no ceratopsian.
The browsing of ceratopsians and other large, low-browsing herbivorous dinosaurs may have contributed to the extraordinary rise of flowering plants during the Late Cretaceous.
The extraordinary rise of flowering plants during the Late Cretaceous may be, in part, a result of the browsing of ceratopsians and other large, low-browsing herbivorous dinosaurs.
There is some controversy concerning the orientation of the forelimbs of ceratopsians.
There is some controversy concerning the orientation of the forelimbs of large, quadrupedal ceratopsians.
The orientation of the forelimbs of large, quadrupedal ceratopsians is the subject of some controversy.
Ceratopsian horns were used only to defend against predatory dinosaurs.
To defend against predatory dinosaurs was the only use for Ceratopsian horns.
Ceratopsian horns were used not only to defend against predatory dinosaurs, but also during intraspecific combat to establish social hierarchy.
Many, if not all, ceratopsians lived in herds at least part, if not all, of the year.
Living in herds at least part, if not all, of the year was characteristic of many, if not all, ceratopsians.
Most ceratopsians lived as single individuals, or as groups of 2 or 3 individuals.
Dr. Philip Curry has found dramatic evidence for herding behavior in Centrosaurus at Dinosaur Provincial Park - a bonebed where 85-95% of 20-30,000 bones represent a single species of Centrosaurus.
A bonebed where 85-95% of 20-30,000 bones represent a single species of Centrosaurus found at Dinosaur Provincial Park by Dr. Philip Curry is dramatic evidence for herding behavior in Centrosaurus.
Ceratopsians show no indication of sexual dimorphism.
There is no indication of sexual dimorphism among ceratopsians.
Various aspects of the skulls of ceratopsians exhibit sexual dimorphism.
Sexual dimorphism is exhibited by various aspects of the skulls of Ceratopsians.
Multiple Choice
Which of the following statements about early ceratopsians is not true?
A. Among ceratopsians, only Psittacosaurus is not found in Late Cretaceous strata. D. Both A. & B.
B. It is unclear whether small, “primitive” genera of ceratopsians form a clade called Protoceratopsidae or not.
C. Psittacosaurus is the only genus of ceratopsian that was bipedal. E. none of these
All but 1 genera of ________________________ lived during the Late Cretaceous.
A. Ankylosaurs B. Ceratopsians C. Pachycephalosaurs D. Stegosaurs C. Both B. & C.
______________________ is a genus of ceratopsian that was bipedal.
A. Centrosaurus B. Psittacosaurus C. Stryracosaurus D. Triceratops E. A., C. & D.
______________________ is a genus of Centrosaurinae ceratopsian.
A. Centrosaurus B. Pachyrhinoceratops C. Stryracosaurus D. A., B. & C. E. Triceratops
Which of the following statements is true about Centrosaurus?
A. Dr. Philip Curry has found dramatic evidence for herding behavior in Centrosaurus at Dinosaur Provincial Park - a bonebed where 85-95% of 20-30,000 bones represent a single species of Centrosaurus.
B. Dr. Philip Curry thinks a herd of 400 to 1,000 Centrosaurus individuals tried to cross a river and a lot of them drowned.
C. Centrosaurus has 2 short horns over the eyes and a very long horn over the nose, which is the reverse of its close relative Triceratops. D. none of these E. all of these
Fill in the Blank
____________________________ (dinosaur group to which a chapter is devoted) are noted for a sharp, parrotlike beak, formed by the rostral bone at the tip of the snout.
A sharp, parrotlike beak, formed by the rostral bone at the tip of the snout is characteristic of ____________________________ (dinosaur group to which a chapter is devoted).
Among _____________________________________ (dinosaur group to which a chapter is devoted), only Psittacosaurus is not found in Late Cretaceous strata.
A genus of Ceratopsian that was bipedal is ____________________________________________.
It is unclear whether small, “primitive” genera of _____________________________________ (dinosaur group to which a chapter is devoted) form a clade called Protoceratopsidae or not.
A genus of Centrosaurinae Ceratopsian is ____________________________________________.
Although Triceratops has a ____________________________ (relative length) frill, it is still considered to be a member of the Chasmosaurinae.
Among Ceratopsians, only _______________________________________ (Ceratopsian genus) possessed gastroliths.
The browsing of ceratopsians and other large, low-browsing herbivorous dinosaurs may have contributed to the extraordinary rise of _______________________________ plants during the Late Cretaceous.
There is some controversy concerning the orientation of the _______________________________ of large, quadrupedal ceratopsians.
Many, if not all, ceratopsians lived in _______________________________ at least part, if not all, of the year.
4B – Marginocephalia (Pachycephalosauria)
True-False
Pachycephalosaurs are divided into basal flat-headed forms, including Homalocephale, and the dome-headed Pachycephalosauridae, including Pachycephalosaurus & Stegoceras.
The dome-headed Pachycephalosauridae, including Pachycephalosaurus, Prenocephale & Stegoceras, and basal flat-headed forms, including Homalocephale, are the two groups/clades into which Pachycephalosaurs are divided.
Except for Stegoceras and Pachycephalosaurus, Pachycephalosaurs from North America are only represented by isolated, waterworn skullcaps.
Asian Pachycephalosaurs, like Homalocephale are better preserved than North American Pachycephalosaurs, being represented by nearly complete skulls and associated skeletons.
Pachycephalosaur domes exhibit sexual dimorphism.
Sexual dimorphism is exhibited by Pachycephalosaur domes.
Pachycephalosaur domes show no evidence of sexual dimorphism.
No evidence of sexual dimorphism is shown by Pachycephalosaur domes.
Multiple Choice
All but 1 genera of Pachycephalosaur lived during the __________________.
A. Middle Jurassic B. Late Jurassic C. Early Cretaceous D. Late Cretaceous
A. Late Triassic B. Middle Jurassic C. Late Jurassic D. Late Cretaceous
______________________ is a genus of Pachycephalosaur.
A genus of Pachycephalosaur is ______________________.
A. Homalocephale B. Pachycephalosaurus C. both A. & B. D. Stegoceras E. all of these
A. Homalocephale B. Pachycephalosaurus C. Prenocephale D. Stegoceras E. all of these
Unlike Asian Pachycephalosaurs, which are better preserved as nearly complete skulls and associated skeletons, North American Pachycephalosaurs are only represented by isolated, waterworn skullcaps, except for _______________.
North American Pachycephalosaurs are only represented by isolated, waterworn skull caps, except for ____________, unlike Asian Pachycephalosaurs, which are better preserved and represented by nearly complete skulls and associated skeletons.
A. Homalocephale B. Pachycephalosaurus C. Prenocephale D. Stegoceras E. both B. & D.
Fill in the Blank
Head butting was probably a characteristic of _______________________________ (dinosaur group to which a chapter is devoted).
_______________________________ (dinosaur group to which a chapter is devoted) probably engaged in head butting.
_____________________________________ (dinosaur genus) is a kind of dome-headed Pachycephalosaur.
Give the genus name of a kind of dome-headed Pachycephalosaur: _____________________________________.
_____________________________________ (dinosaur genus) is a kind of dome-headed Pachycephalosaur.
Pachycephalosaurs are divided into basal flat-headed forms, including ____________________________ (Pachycephalosaur genus), and the dome-headed Pachycephalosauridae, including Pachycephalosaurus, Prenocephale & Stegoceras.
Pachycephalosaur _____________________________________ show evidence of sexual dimorphism.
Except for _________________________________________ (one of two Pachycephalosaur genera), North American Pachycephalosaurs are only represented by isolated, waterworn skullcaps, unlike Asian Pachycephalosaurs, which are better preserved as nearly complete skulls and associated skeletons.
7 – Various Ornithischians
True-False
Ankylosaurs, Ceratopsians, Ornithopods, Pachycephalosaurs and Theropods all had their maximum diversity during the Late Cretaceous.
The maximum diversity of Ankylosaurs, Ceratopsians, Ornithopods, Pachycephalosaurs and Theropods was during the Late Cretaceous.
Only Ankylosaurs had brains that were average in size out of Ankylosaurs, Pachycephalosaurs, & Stegosaurs.
Of Ankylosaurs, Pachycephalosaurs, & Stegosaurs, only Pachycephalosaurs had brains that were average in size.
Of Ankylosaurs, Pachycephalosaurs, & Stegosaurs, only Ankylosaurs had brains that were average in size.
Only Ankylosaurs had brains that were average in size out of Ankylosaurs, Pachycephalosaurs, & Stegosaurs.
Stegosaurs & Ankylosaurs are noted as having particularly large brains among dinosaurs.
Among dinosaurs, Stegosaurs & Ankylosaurs are noted as having particularly large brains.
According to Dr. David Fastovsky in the video, during the last 10 million years of the Cretaceous Period, 112 groups of dinosaurs flourished, including Tyrannosaurus Rex - which would have been quite rare - and herds of Triceratops and duck-billed dinosaurs - which would have been common.
During the last 10 million years of the Cretaceous Period, 112 groups of dinosaurs flourished, including Tyrannosaurus Rex - which would have been quite rare - and herds of Triceratops and duck-billed dinosaurs - which would have been common - according to Dr. David Fastovsky in the video.
Multiple Choice
______________________ had their maximum diversity during the Late Cretaceous.
The maximum diversity of ______________________ was during the Late Cretaceous.
A. Pachycephalosaurs B. Ornithopods C. Ceratopsians D. Ankylosaurs E. all of these
______________________ were quadrupedal dinosaurs that might have reared up on their hindlegs, using their tail as a third “leg” to form a tripod, to feed higher up in trees.
______________________ might have reared up on their hindlegs, using their tail as a third “leg” to form a tripod, to feed higher up in trees.
Using their tail as a third “leg” to form a tripod, ______________________ might have reared up on their hindlegs to feed higher up in trees.
A. Stegosaurs B. Sauropods C. both A. & B. D. Ceratopsians E. none of these
A. Ceratopsians B. Pachycephalosaurs C. Sauropods D. Stegosaurs E. Both C. & D.
__________________ have a mix of characteristics, some of which suggest sophisticated oral food processing and others of which suggest simple oral food processing combined with internal food breakup.
A. Ankylosaurs B. Pachycephalosaurs C. Stegosaurs D. Both A. & C. E. all of these
Which of the following were particularly good at chewing plant matter, as indicated by an impressive dental battery?
As indicated by an impressive dental battery, which of the following were particularly good at chewing plant matter?
A. Stegosaurs B. Ornithopods C. Ceratopsians D. Ankylosaurs E. both B. & C.
A. Sauropods B. Ornithopods C. Ceratopsians D. both B. & C. E. Ankylosaurs
The browsing of _______________________________, that is, small to large, low-browsing herbivorous dinosaurs may have contributed to the extraordinary rise of flowering plants during the Late Cretaceous.
The extraordinary rise of flowering plants during the Late Cretaceous may be, in part, a result of the browsing of _______________________________, that is, small to large, low-browsing herbivorous dinosaurs.
A. Pachycephalosaurs B. Ornithopods C. Ceratopsians D. Ankylosaurs E. all of these
__________________ have rhamphothecae, horn-covered beaks.
A. Ankylosaurs B. Pachycephalosaurs C. Stegosaurs D. Both A. & C. E. all of these
______________________ were the smartest dinosaurs among the groups we have discussed so far in class.
The smartest dinosaurs among the groups we have discussed so far in class were ______________________.
A. Ankylosaurs B. Ceratopsians C. Ornithopods D. Pachycephalosaurs E. Stegosaurs
Fill in the Blank
Give the name of a dinosaur group that had rhamothecae: __________________________________________.
Ankylosaurs, Pachycephalosaurs, Ceratopsians & Ornithopods had their maximum diversity during the late ___________________________.
All but 1 genera of Ceratopsians & Pachycephalosaurs lived during the late ___________________________________.
______________________________ (dinosaur group to which a chapter is devoted) might have reared up on their hindlegs, using their tail as a third “leg” to form a tripod, to feed higher up in trees.
Stegosaurs & Ankylosaurs are noted as having particularly ___________________________ (relative size) brains among dinosaurs.
Ceratopsians & Ornithopods were particularly good at _______________________________ plant matter, as indicated by their impressive dental batteries.
The dinosaur image on the back is _____________________________________ (dinosaur genus).
Give the genus name of the dinosaur image on the back is _____________________________________.
The
dinosaur image on the attached page is _____________________________________
(dinosaur genus)
.