Choater 7 Dinos

Question 1

Therapoda are

Answer 1

Meat eating dinosaurs

Except one type that preferred plants

Question 2

Theropods have following diagnostic features

Answer 2

Carnivorous meat eating teeth

Thin hollow bones

Question 3

Ceratosaurs

Answer 3

Three main fingers but retained fourth distinctive gap between premaxilla and maxilla

Question 4

Earliest species of ceratosaurs

What has been found in these

Answer 4

Coelophysis

Major sexual dimorphism but like all dinosaurs no idea which one is which

Question 5

Skeletons inside rib ages of animals of coelophysis conclude

What did he find opposite of sterling

Answer 5

It may have been cannibalistic

They were remains of crocodile supper

Question 6

First known big theropod was 15-20 foot long

Which was the ? From what movie

Answer 6

Dilophosaurus

Spitter Jurassic park

Question 7

What two things are not anatomically supported for dilophosaurus

Answer 7

Frilly collar or venom

Mistook grove where bones interlocked to be venom channel

Question 8

Next major group of theropods (fused tails) named for pole like distal tails

Answer 8

Tetanurans

Question 9

Two major groups of tetanurans

Answer 9

Diagnostic features of tetanurae
Hands half as long as entire arm
Boot like process on the pubis

Question 10

The most well known carnosaurs who were often depicted attacking the ?

Answer 10

Allosaurus

Sauropods

Question 11

What was recently conducted on allosaurus ? What was found

Answer 11

Finite element mechanical study

Muscle size and forces and showed their lightweight skull could endure enormous stresses despite fragile appearance
Bite force of only just over 500 pounds

Question 12

Spinosaurs are little known group of ? With buzzard ?

Answer 12

Carnosaurs

Snouts like fish feeding crocodilians

Question 13

The type species of spinosaurs (which is what) what happened to it

Answer 13

All important one used to name describe and serve as future reference for comparison with other specimens was blown to si there’s a by British bombers in WWII

Question 14

Ornithomimossurs were probably ?

Answer 14

Omnivorous eaters of plants and animals

Like ostriches

Question 15

Ornithomomimosaurs characterized by

Answer 15

Ostrich like body forms me lack of teeth

Except one recently found with Vestigial degenerate

Question 16

Tyrannosaurs characterized by

Answer 16

Reduced forelimbs with only two functional fingers

Question 17

Poorly known group of coelurossurian were the

Answer 17

Therizinosaurs

Question 18

Therizinosaurs were probably the only ?

Answer 18

Herbivorous theropods

Question 19

Weird toothless coelurosaurian known as
We know know they weren’t egg stealers but instead
What food did they feed

Answer 19

Oviraptora
The parents
Lizards

Question 20

Diagnostic features of deinonychosauria

Also had pubis bones

Answer 20

Enlarged claw on second toe (ability for balance on one foot)
Pointed backward retriverted

Question 21

Skull casts of troodontids

Answer 21

Encephalization quotients
A measure of Brian size relative to body mass 6 times what is expected for a crocodile of compared size and nearly as Hugh as in living birds

Question 22

Sci buff speculated on what troodontid would look like today based on its

Answer 22

Greater brain size excellent sterioscopic vision and fusion of foot elements
Strange alien dinosauroid

Question 23

Last group of dinosaurs to be studied

These were the what from Jurassic park

Answer 23

Dromaeosaurs

Raptors

Question 24

The most well known dromaeosaur is six to nine foot long

This was the real

Answer 24

Deinonychus

Raptor

Question 25

The discovery of the deinonychus in 1960s by who is arguably the what?
Why?

Answer 25

John ostrom
Most important find of the last century
Since r fueled the paradigm shift away from dinosaurs being Judy slow lumbering brutes

Question 26

Smallest dinosaur

The range of dinosaur sizes this spanned

Answer 26

Microraptor
Seven ounce winged dromaeosaur
Nearly a quarter million fold

Question 27

Erickson lab has studied growth lines of oviraptors troodontids and deinonychosaurs and from data determined

Answer 27

Whether dinosaurs matured like birds after full adult size was reached or before like living reptiles
More like living reptiles
Egg clutch sizes too large to have been laid by individual females
Dinosaurs polygamous and males brooded eggs like birds today