gly 1102 topic 21

The head of Coelophysis is crowned with 2 bony crests that give it its name (2 crest).
false
Dinosaurs inhabited all continents.
true
This theropod has only 2 digits on the manus.
tyrannosaurus
Theropods had the largest brain (relative to body size) among dinosaurs.
true
Allosaurus has a distinctive ridge above and in front of the eyes.
true
Velociraptor had an elongated skull, a flat nose and long, functional arms.
true
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Dromaeosaurs have an enlarged second toe-claw on each foot that it used in making slashing attacks.
true
Coelurosaurs have a greater heightening of the ascending process of the astragalus, a splint of bone that originates at the main articulating joint of the astragalus and covering the lower quarter of the shin (tibia).
true
The name “Ceratosauria” means horned lizard.
true
Theropods have solid bones.
false
To John Ostrom, the anatomy of Deinonychus was one of an agile, active and intelligent hunter, and thus he began a reevaluation of the nature of dinosaur behavior and metabolism that continues to today.
true
There is some evidence that raptors were pack hunters.
true
True about theropods
They have hollow bones. Their tail was stiff and acted as a body balance. They have claws on all fingers and toes. Their teeth (most of them) were generally sharp, large, serrated, and recurved.
Tyrannosaurus evolved only a few million years before the extinction of the dinosaurs.
true
Carcharodontosaurus has extremely long neural spines along the top of the vertebrate of the back, hips, and tail.
false
Tetanurae were the most primitive theropods.
false
Dromaeosaurs or raptors diversified during this period.
Cretaceous
The signiture characteristic of (blank) is that it has extremely long neural spines (43 cm, 17 inches) along the top of the vertebrate of the back, hips, and tail.
Acrocanthosaurus
Ornithomimosaurus had not teeth and is known as the “bird mimic lizard.”
true
The Ghost Ranch video was taken in the quarry where this dinosaur is found.
Coelophysis