Lecture 1 - Where did the dinosaurs live? updated

Question 1

Where do we find Dinos?

Answer 1

Dinos are found on every continent, including Antartica

Question 2

Are all prehistoric creatures dinos?

Answer 2

No

Question 3

Did Dinos fly?

Answer 3

Avian Dinos (birds) flew, but others did not. They were predominately terrestrial

Question 4

Did dinos swim?

Answer 4

Yes, w/ diff capabilities

Question 5

Archaeopteryx is considered a ____ because..

Answer 5

a Dino-bird because it has features of both a dinosaur (bony tail, teeth) and birds (wings, feathers) but may not have been able to fly

Question 6

Transitional form

Answer 6

Features of both dinos and birds

Question 7

Why are Dinos found on every continent ?

Answer 7

They lived on land. Terrestrial

Question 8

What are the components of the Earth’s interior?

Answer 8

Crust
Mantle
Outer core
Inner core

Question 9

The core is ____ and the crust and mantle are dominated by ______ ______

Answer 9

metallic, silicate minerals

Question 10

What 3 things increase with depth?

Answer 10

P, T and D

Question 11

What are the 2 types of crust?

Answer 11

Continental and oceanic

Question 12

Properties of Continental crust

Answer 12

Thick: 20-80 km
Rich in Si and Al
Low density
Approximated as granite

Question 13

Properties of Oceanic crust

Answer 13

Thin: 5-10 km
Rich in Fe and mg
Higher density
Basalt

Question 14

The mantle is ____ despite misconceptions that

Answer 14

Solid, despite misconceptions that it is liquid and plates float on top of it

Question 15

What are the 3 layers of the mantle and their mechanical behaviors?

Answer 15

uppermost mantle: rigid/brittle solid (stuck to the base of the crust)
asthenosphere: a ductile solid (starts to flow)
deep mantle: a less ductile solid (b/c increased P)

Question 16

Lithosphere

Answer 16

The rigid uppermost mantle and the crust