Behemoths with Body Armor
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each of the black spaces below before clicking
on it to display the answer.
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| What is the bone before the dentary and what group of dinosaurs is it only found in? | Predentary, Ornithiscians
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| In ornithiscians, what is the bone over the eye? | palpebral
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| What 3 groups make up the ornithiscian? | Thyreophorans, ornithopods, marginocephalians
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| Examples of thyreophorans? | Stegosaurs and anklyosaurs
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| Examples of ornithopods? | hypsilophondontids, iguanadon, hadrosaur
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| marginocephalians? | Pachycephalosaurs, ceratopsians
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| What are some of the most primitive ornithiscians? | Pisanosaurus, Lesothosaurus, heterodontosaurus
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| One of the earliest of thyreophora and when did it appear? | scutellosaurus, early jurassic
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| 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)
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| A great majority of thyreophora were (blank), which indicated that bipedalism was a trait permanently lost earlier in evolution of this group | quadrupedal
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| Thyrophean anatomy: What is the main characteristic of the thyrophean group? | body armor
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| 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
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| 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.
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| Anklyosaur characteristics? | Heavily built, medium-sized, armored heads, same leaf-shaped teeth
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| What group possess long, narrow skulls and large shoulder spikes? | Nodosaurids
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| Other major group that has short broad skulls and tail clubs | Anklyosaurids
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| Diet of thyreophorans? | Plants about 1 meter and lower
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| Were stegos and anklyos very fast? How can we tell? | NOO. We can tell by their limb proportions
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| How did thyreophorans defend themselves? | They were slow-moving anyway so they developed osteoderm, or spikes/plates, and armor
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| What is the regulation of body temperature? | thermoregulation
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| The pattern of osteoderm was most likely used to? | Display for species identification
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Created by:
Chelseagirl2508
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