Random Names And Details From Videos Flashcards
how tall is the leg of a Camarasaurus approx.
12 ft
what are the three dinosaurs of the sauropods mentioned in video
argentinosaurus, diplodocus and girrafatitan
which of the sauropods was the heaviest , tallest and longest
heaviest -argentinosaurus
longest - diplodocus (25m)
tallest -girrafatitan (12m)
true or false - birds do not have alot of air sacs
false - they do
how small was the smallest dinosaur
as small as a chicken
true or false - human and dino anatomy is basically the same
true
vertebrate refers to…
backbone
which ones are vertebrates
shark, octopus, snake, human
all of them except octopus
true or false - coyotes have 2 fenestrae
false - it has 1
what is the difference between mammals and dinosaurs when it comes to ribs
dinos have ribs all throughout the body up to the pelvis
what is the name of the hip socket
acetabelum
what are the two bones that the humerus supports
radius and ulna
did all 5 toes of a vertebrate dinosaur touch the floor
no , only the 2,3,4th toes touched the ground to support weight
true or false - the ischium is attached to the sacrum
false - the ilium does
in an onithischian dinosaur, the pubis is back towards the…
ischium
all therapods walked on their…
hind legs
how many fingers does the T rex have
2
all prosauropods walked on their…
hind legs
which dinosaur is closely related to modern birds and why
T rex - because they have feathers, are bipedal and have air sacs
what is the second trait that differentiates the ornithischians
predentary bone - needed for plant matter
describe iguanadons
- herbivore
- spiky thumb
what is special about the hadrosaurs hands
their hands are encased in skin
what kind of dinosaur was the edmontonosaurus
hadrosaur
which group of ornithischia have a parrot like beak and frills
ceratopsian
describe features of pachyrhinosaurus
- found in edmonton and alaska
- had a nasal boss
- supraorbital boss
which group of dinosaurs have a dome headed skull but a small brain
pachycephalsaurus
describe the legs of a stegasaurus
front legs shorter than the hind legs
true or false - ankylosaurs are covered in osteoderms
true
what is the name of the small and older relative of the triceratops and why is it special
Psittacosaurus - had tall bristles along its back and tail
do velociraptors have feathers
yes
true or false - volcanic ash is not good for preservation
false - it is
what are modern animals that have osteoderms
crocodiles and lizards
what is the feature arrangement for shiny, irridescent colors
narrow eumelanosomes that are aligned in the same directions
what color was the microraptor
glossy black feathers
which dinosaur came from china
Sinosauropteryx
what period were dinosaurs dominating
cretaceous period
what was the terrain and climate when dinosaurs were alive
wet, flat and many rivers
true or false - we would look at sandstone to find fossils
true
what kind of environment does mudstone tell us
swampy, quiet water
to determine the minimum number of animals found in a bonebed, what element do we use
left/right arm or leg
what is the second most common feature found in the bone bed
teeth
what is a special feature of teeth in piscivores
precumbent dentition - front teeth are angled upwards
what is a good example of a modern day omnivore
wart hog
approx how many teeth did hardrosaurs have at one time
1,000
true or false - hadrosaurs have only one row of teeth
false - they have dental batteries
which two groups of dinosaurs have tiny leaf shaped teeth
pachycephalasaurs and ankylosaurs
what type of dinosaur is the Allosaurus
therapod
which modern animal have retractable claws like the Velociraptor
cat
which two therapod dinosaurs did not have teeth
oviraptor and ornithomimid
which dinosaurs were found with lizard and mammal bones in their stomachs
sinosauropteryx and compsognathus
true or false - dinosaurs drag their tails on the ground
false
is the leatherback turtle a endotherm or ectotherm
endotherm
true or false - modern birds are endotherms
true
was the ancestor of dinosaurs endo or ectotherm
ectotherm
true or false - camarasaurus is a therapod
false - it is a giant sauropod
which dinosaur group laid the biggest egg
therapods
which dinosaur group laid the biggest egg
therapod
which group of dinosaurs provided a high degree of parenting
therapods and hadrosaurs
what group of dinos does the Albertasaurus belong to
T rex
true or false - Pacephalasaurs could have butted heads
true