Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/76

Click to flip

76 Cards in this Set

  • Front
  • Back
Paleobiogeography
the geographic patterns of the distribution of species using fossils
Tethys Sea
Sea at the mesozoic/triassic period that existed inbetween the continents of Godwana and Laurasia
Omnivore
An animals that eats both animals and plants
Dental battery
Tons of teeth that are used for grinding
Serrations
triangular teeth that are used for ripping. increase surface area for cutting
Conical
conical teeth
Gastrolith
stomach stones that are inside the digestive track of animals
Coprolite
Dinosaur poop
Feces
waste product
Prey
what predators eat
Tooth root
tooth below the gum
Tooth crown
tooth above the gum
Dentition
development of teeth and arrangement of mouth
Calcium carbonate
Common substance found as rock in all parts of the world and its main component of seashells and snails
Pheromone
a chemical that triggers an innate behavioural response in another member of the same species
Amniotic egg
amniotes are mammals, mammal-like reptiles, dinosaurs, and birds
Amnion
a membranous sac which surrounds and protects the embryo
Oviraptor
the dinosaur that may have been a specialized eater. It may have eaten eggs
Oviduct
the passage from the ovaries to the outside of the body is known as the oviduct. The eggs travel along the oviduct.
Sexual selection
theory proposed by Charles Darwin that states that the frequency of traits can increase or decrease depending on the attractiveness of the bearer
Neontology
biology that, in contrast to paleontology, deals with living organisms
Regurgitate
controlled flow of stomach contents back into the esophagus and mouth.
Mound nest
eggs layed above ground
Hole nest
Eggs are buried in ground
Pace
from back of right foot to back of left foot
Stride
back of left foot to next left foot
Dimension-less speed
measured speed/ (leg length x g)^1/2
Relative stride length
stride length/leg length
Facultative obligate
by necessity
Track
footprint
Trackway
a series of footprints
Substrate
is the surface a plant or animal lives upon
Tridactyl
having three toes
Quadruped
dinosaurs that walked on four legs
Biped
Dinosaurs and other animals that walk on two legs
Morphology
the outward appearance (shape, structure, colour, pattern) of an organism or taxon and its component parts
Bioturbation
is the displacement and mixing of sediment particles by benthic fauna (animals) or flora (plants)
Herrearasaurus
Late Triassic dinosaur that some still debate as to being a dinosaur or not
Eoraptor
Late Triassic dinosaur that some still debate as to being a dinosaur or not
Coelophysis
group of therapods that include tyrannosaurus
Troodon
A small bird-like dinosaur from the late Cretaceous
Allosaurus
A large bipedal carnivorous dinosaur. Similar to t-rex
Deinonychus
Early cretacious dinosaur. Name means "terrible claw". Similar to Velociraptor.
ornithomimids
"Bird mimic dinosaurs" are therapod dinos that bear resemblence to modern ostriches
coelurosaurs
Large predatory dinosaurs that lived during the Jurassic and Cretaceous periods. Best example is Allosaurus
Aves
bird
Thecodont
socked-tooth reptile, now considered an obsolete term
Lagosuchus
Small archosaur from middle Triassic period. Closely related to dinosaurs
Pterosaurs
Existed from late Jurassic to end of Cretaceous. First vertebrate to develop flight
Ischigualasto Formation
formation in NW Argentina
Archosaur
represented by lizards and birds, and dinosaurs
Ischium
forms the lower and back part of the hip bone. It is situated below the ilium
Ilium
a bone in the pelvis
Pelvis
whole structure located at the bottom of the spine
Skull foramen
hole at the bottom of the skull through which nerves are transmitted
Cranium
another word for skull
Pes
Foot or hind leg of dinosaur
Manus
Hand
Femur
the thigh bone. the longest and strongest
Humerus
long bone in your arm that runs from the shoulder to the elbow
Phalanges
the bones that form fingers and toes
Tibia
the longer of two bones below the knee
Fibula
the calf bone on the other side of the tibia
Ulna
a long bone, prismatic in form, placed at the medial side of the forearm, parallel with the radius.
Radius
bone in arm parallel with the ulna
Mandible
lower jawbone
Maxilla
upper jaw
Sacral (sacrum?)
large, triangular bone at the base of the spine and at the upper and back part of the pelvic cavity
Cervical
the neck
Thorasic
the middle of the body that lies between the head and the abdomen
Caudal
its opposite the cranial, usually the anus and the tail
Vertebrae
irregular bones the make up the spine
Kinetic jaw
jaw the move from side to side instead of just up and down
Were the first dinos carnivorous or herbivorous and how can we tell?
both appeared around the same time, we can tell by the teeth
When did the dinosaurs first evolve?
Late Triassic Period
How can you tell the difference between a gastrolith and a pebble?
1. should be different than local rocks
2. rounded and polished
3. found with dinosaur