Lecture 10 - Who were the sauropodomorphs?

Question 1

When did the sauropodomorpha live?

Answer 1

160 million years (the entire time of the DINOS)

Question 2

Where did the sauropodomorpha live?

Answer 2

Found on all continents

Question 3

What bone do we often use to guess the size of dinos?

Answer 3

femur

Question 4

Where are the nostrils in Sauropoda?

Answer 4

Top of the head

Question 5

What are the 2 groups of sauropoda?

Answer 5

Diplodocoidea
Macronaria

Question 6

Where did early scientists believe that Sauropoda lived?

Answer 6

In water

Question 7

Sauropoda nostrils were probably not a snorkel. What other animals have nostril on top of their head?

Answer 7

elephants

Question 8

4 ways to make a long neck

Answer 8

1. Increase the length of the individual vert
2. Recruit vert from the back into the neck
3. Increased the number of vert
4. combination

Question 9

Nuchal ligament

Answer 9

Elastic rope of connective tissue

Question 10

Why the long neck??

Answer 10

Wasn’t for high trees it was so they could stand in one spot and eat alot around them 2-3m off the groung

Question 11

What would happen if sauropods breathed like reptiles?

Answer 11

The long neck would have unused air

Question 12

Sauropod could get big because (3 reasons)

Answer 12

1. A light skeleton (pneumatic bone)
2. Small heads (because they didn’t chew)
3. Unidirectional respiration

Question 13

Which dino had the smallest brain?

Answer 13

sauropoda

Question 14

Until the 1990s, it was believed that sauropods gave birth to _____ because ___

Answer 14

live young, no eggs

Question 15

In 1997, nest sites were discovered in ____ with ______

Answer 15

patagonia, embryonic skeletons and skin