Save
Busy. Please wait.
Log in using Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Lecture 11 wrld dnsr

Behemoths with Body Armor

QuestionAnswer
What is the bone before the dentary and what group of dinosaurs is it only found in? Predentary, Ornithiscians
In ornithiscians, what is the bone over the eye? palpebral
What 3 groups make up the ornithiscian? Thyreophorans, ornithopods, marginocephalians
Examples of thyreophorans? Stegosaurs and anklyosaurs
Examples of ornithopods? hypsilophondontids, iguanadon, hadrosaur
marginocephalians? Pachycephalosaurs, ceratopsians
What are some of the most primitive ornithiscians? Pisanosaurus, Lesothosaurus, heterodontosaurus
One of the earliest of thyreophora and when did it appear? scutellosaurus, early jurassic
When do the first stegos appear? Middle Jurassic (anklysaurs are poorly known in the jurassic period since they reached their peak of diversity in the cretaceous period)
A great majority of thyreophora were (blank), which indicated that bipedalism was a trait permanently lost earlier in evolution of this group quadrupedal
Thyrophean anatomy: What is the main characteristic of the thyrophean group? body armor
What are some other characteristics of the thyrophean group? (both stegos and anklyos) osteoderms (spikes and plates), three palpebrals, forlimbs are much shorter than hindlimbs
Stegosaur characteristics? small heads,basic jaws with leaf-like teeth, and small brains. They also posess rows of plates/spikes running down the dorsal midline and elongate dorsal vertebrae.
Anklyosaur characteristics? Heavily built, medium-sized, armored heads, same leaf-shaped teeth
What group possess long, narrow skulls and large shoulder spikes? Nodosaurids
Other major group that has short broad skulls and tail clubs Anklyosaurids
Diet of thyreophorans? Plants about 1 meter and lower
Were stegos and anklyos very fast? How can we tell? NOO. We can tell by their limb proportions
How did thyreophorans defend themselves? They were slow-moving anyway so they developed osteoderm, or spikes/plates, and armor
What is the regulation of body temperature? thermoregulation
The pattern of osteoderm was most likely used to? Display for species identification
Created by: Chelseagirl2508
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards