Long Quiz 1_Geologic Time Scale

Question 1

Certain organisms lived on the earth based on time scale which identifies the appearance and disappearance of life forms

Answer 1

Geologic time scale

Question 2

The theory that changes in the earth’s crust during geologic history have resulted from the action of continuous & uniform process

Answer 2

Uniformitarianism

Question 3

Determines the exact age of the artifact in a site (numerical)

Answer 3

Absolute dating

Question 4

Determines which object is older

Answer 4

Relative dating

Question 5

High precision and works better for igneous and metamorphic rocks

Answer 5

Absolute dating

Question 6

Arranges fossil in order and works better for sedimentary rocks (qualitative)

Answer 6

Relative dating

Question 7

Founder of the study of fossils and stratigraphy

Answer 7

Nicholas Steno

Question 8

The 5 rock formations

Answer 8

Superposition
Original horizontality
Lateralcontinuity
Cross cutting relationship
Principle of inclusion

Question 9

Rock layers in the bottom are older

Answer 9

Superposition

Question 10

Rock layers form in a horizontal position

Answer 10

Original horizontality

Question 11

Rock layers are extended laterally and continuously

Answer 11

Lateral continuity

Question 12

Rock layers that are cut across are older than the cur itself

Answer 12

Cross cutting relationship

Question 13

Any inclusions in rock layers are older than the rock that contains it

Answer 13

Principle of inclusion

Question 14

The 4 types of fossils

Answer 14

Petrification
Compression
Mold and cast
Preserved remains

Question 15

A fossil where minerals replace the structure of an organism

Answer 15

Petrification

Question 16

A fossil where minerals replace the structure of an organism

Answer 16

Petrification

Question 17

A fossil where burial of plants or plant parts in sediments (prints)

Answer 17

Compression

Question 18

A fossil that is dimensional and preserve the surface contours of the organism

Answer 18

Mold and cast

Question 19

Preserves a negative imprint of the surface

Answer 19

Mold

Question 20

Preserves the external form of the organism

Answer 20

Cast

Question 21

Preservation of original skeletons and soft body parts.

Answer 21

Preserved remains

Question 22

anthropocene, long period of time that is characterized by great change

Answer 22

Geologic epoch

Question 23

How is an epoch discovered?

Answer 23

Golden spike (magnetic, cinematic, biologic, isotopic)

Question 24

The 4 timelines

Answer 24

Eon
Era
Period
Epoch

Question 25

The longest subdivisions which can last up to hundreds of millions of years

Answer 25

Eon

Question 26

Second longest subdivision and marks a major shift in the types of fossils present

Answer 26

Era

Question 27

Division within an era and marks stages within an era where different kind of organisms existed

Answer 27

Period

Question 28

Shortest subdivision and divides periods into smaller units

Answer 28

Epoch

Question 29

An eon that appened 4.6-4 billion years ago where primordial water first existed

Answer 29

Hadean eon

Question 30

Eon with tectonic activity and formation of DNA

Answer 30

Archean eon

Question 31

An eon where oxygen crisis and the first eukaryotes occured

Answer 31

Proterozioc eon

Question 32

An eon of age of fishes and amphibians

Answer 32

Paleozioc era

Question 33

An eon of age of reptiles and dinosaurs

Answer 33

Mesozoic era

Question 34

An eon where dinosaurs went extinct and mammals diversified

Answer 34

Cenozoic era