Chapter 14 - GLGY 305 : Who were the Ornithopoda, Questions with complete solution.
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Course
GLGY
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GLGY
Chapter 14 - GLGY 305 : Who were the Ornithopoda, Questions with complete solution.
Geological diversity of Ornithopoda - correct answer Lived on every continent, with nearly 100 different species
Characters of Ornithopods - correct answer - Strong depression of jaw joint below tooth row...
Chapter 14 - GLGY 305 : Who were the
Ornithopoda, Questions with complete
solution.
Geological diversity of Ornithopoda - correct answer ✔Lived on every
continent, with nearly 100 different species
Characters of Ornithopods - correct answer ✔- Strong depression of jaw joint
below tooth rows
- Range of sizes
- delicate forelimbs with 5 fingers
Range of Sizes - correct answer ✔- early ones were small (1-2 m) and
bipedal
- later, reached sizes of up to 17 m and predominately quadrupedal
Major Groups of Ornithopoda - correct answer ✔Iguanodontia,
Ankyllopollexia, and Hadrosauridae
Ankylopollexia specialization - correct answer ✔Specialized fingers and
hands:
- thumb (digit 1) was conical and pointed possibly for:
- close range defense, breaking open seeds and fruit
- Middle digits were tipped with hooves and were fused, so could bear weight
(quadrupedal locomotion
- The last digit was flexible and could bend across the palm like a thumb
Characters of Hadrosauridae - correct answer ✔- Dental battery
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