Exam 2 topic 8

Question 1

Fossils

Answer 1

remains of a prehistoric organism

Question 2

Fossilization

Answer 2

production of a fossil by replacing organic material with mineral substances

Question 3

Paleontology

Answer 3

study of fossils

Question 4

geology

Answer 4

the study of the earth

Question 5

taphonomy

Answer 5

the study of what happens to remains of an animal from the time of death to the time of discovery

Question 6

Provenience

Answer 6

location of where fossil was found

Question 7

Factors that affect likelihood of fossilization

Answer 7

where animal lived (has to be covered up)

What part of body

Question 8

Order of preservation of part of body

Answer 8

Teeth, jaw & face, braincase, postcranial bones, soft tissue

Question 9

Lithostratigraphy

Answer 9

layers of rock (strata)

Question 10

tephrostratigraphy

Answer 10

chemical fingerprint of ash used to correlate across regions

Question 11

biostratigraphy

Answer 11

estimate which layers are older and which are younger by comparing different stratigraphic sequences

Question 12

Radiometric dating

Answer 12

uses radioactive decay of isotopes to estimate age

Question 13

Principle of superposition

Answer 13

oldest strata will be at the bottom of the sequence

Question 14

paleomagnetism

Answer 14

study of earths magnetic field in rocks, sediment or material