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BSC1005
dino test 2
41
Biology
Undergraduate 1
10/18/2007

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Cards

Term
The 3 diagnostic dinosuar characteristics
Definition

1.) 3 or more sacral vertebrae (fused bacbone)

2.) perforate vertebrae  

3.) three main fingers 

Term
Reverand William Buckland is often credited with scientifically describing:
Definition
the first dinosaur
Term
Which are the three MOST plausable agents leading to dinasur extinction?
Definition

volcanism

lowering of sea levels

asteroid impact 

Term
Paleontologists learned the biting force of Allosaurus __________________
Definition
using computer modeling
Term
A dinosaur with "lizard hips," enlarged thumb claws, and nostril atop its head is:
Definition
a saurishian, sauropodomorph, and a sauropod
Term
Which of the followign rock types in LEAST likely to reveal dinosaur bones:
Definition
metamorphic
Term
Paleontologists
Definition
someone who studies ancient organisms
Term
Paleobiology
Definition
the study of ancient life
Term
Dinosaurs lived between ______________ years ago
Definition
225 and 64 million
Term
Half-Life
Definition
the amount of time it takes for half of the original material to break down
Term
Sarcosuchus have __________________________ of bite force.
Definition
18,000 pounds
Term
The supposed Loch Ness Monster
Definition
Plesiosaurus
Term
The #1 way plaleontologists learn about dinosaur biology
Definition
Trace fossils
Term
The first bird, very reptile looking and had claws
Definition
Cretatias
Term
The first Orninithischians were ___________________________
Definition
relatively small, 30 to 120 pounds
Term
Why crazy theories?
Definition
Paleontology has a history founded solely on geology.
Term
plant eater with fangs (for sex display), male is the bigger sex.
Definition
heterodontosaurus
Term
Sexaul dimorphism
Definition
when there is considerable size differances between the sexes
Term
over-splitting
Definition
naming more species than really exist
Term
finite-element modeling
Definition
computer modeling the biochemical performance of the domes
Term
Had the largest head of and land animal
Definition
Torosaurus
Term
had the largest horn of any animal
Definition
Pachyrinosaurus
Term
Supersaurus was ______________ long.
Definition
140 feet
Term
The tallest at 60 feet tall
Definition
Sauroposeidon "lizard earthquake god"
Term
Coelophysis were known _______________________________________________.
Definition
to be cannibals, eating their young.
Term
Probably the only herbivorous theropods. They are known for their scissor hands
Definition
segnosaurus
Term
Encephalization quotients
Definition
measure of brainsize relative to body mass
Term
this fueled the dinosaur renaissance
Definition
Robert Bakker and the discovery of Deinonuchus
Term
Brochu's CT scan of an entire T-Rex skull showed that _________________.
Definition
they had a great sense of smell
Term
_____________ found numerous tooth marks and shed teeth from T-rex's that scavenged the carcasses of hundreds of Edmontosaurus that perished in flood waters.
Definition
Ken Olsen
Term
_____________ concluded from a partial skull that the lack of wear facets on the teeth meant T-Rex's as a whole fed upon soft, rotton carrion.
Definition
Lambe
Term
________________ described a healed bite mark on the top of the tail of Edmontosaurus attesting to a failed predatory attempt by a T-Rex.
Definition
Ken Carpenter
Term
__________________ reported the first case of cannibalism from bite marks.
Definition
Roland
Term
_______________ growing as fast as whales and reached adult size in just a decade.
Definition
Giant Sauropods
Term
Dromaesaurid theropods
Definition
the smallest dinosaur, only weighing 7 ounces
Term
Dinosaurs went extinct 64 million years ago along with 40-80% of life on earth. Deceased and Survivors?
Definition

Deceased: pterosaurus, mososaurus, plesiosaurs, lots of clams, plankton, forminifera, corals, ammonites, a few marsupial mammals, and a couple types of plants.

Survivors: amphibians and reptiles 

 

Term
Evidence that an ateroid DID NOT cause extinction
Definition

Volcano produce same materials on earth

Other craters from that time that did not kill

Why didnt kill ampibians, birds, mammals and reptiles

Ash layers not properly surveyed 

Term
First proof that birds lived during the age of the dinosaurs
Definition
the Archaeopteryx, "ancient wing"
Term
_______________ was the first to point out resembelence of Archaeopteryx to smaller theropod dinsaurs. There are about 158 features that birds share with dinosaurs.
Definition
Thomas Huxley
Term
Most paleontologists believe birds are __________________________
Definition
Dromaeosaurid dinosaurs
Term
The skeleton of ____________________ was found in Madagascar with killing claws, thus supporting that birds are dinosaurs.
Definition
Rahonavis
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