fossils

Question 1

fossilization is

Answer 1

the preservation of the organisms body parts or environmental traces

Question 2

first step in body fiddling formation is

Answer 2

rapid burial

Question 3

what is a mold

Answer 3

some impression of a body part left by an organism in it’s environment, casts are the material that fills those impressions

Question 4

2 broad classes of fossil dating

Answer 4

relative and absolute dating

Question 5

relative dating is

Answer 5

the earliest method of dating fossil, does not give a precise numeric date only whether a fossil lived before or after some other fossil/event in the past

Question 6

absolute dating allows one to

Answer 6

directly estimate the age of some organic remains and geological formations

Question 7

first relative dating technique is

Answer 7

stratigraphy, foundation of all geological dating

Question 8

stratigraphy

Answer 8

study of sequential layering of sedimentary deposits

Question 9

stratigraphic analysis is based on

Answer 9

3 core principles

Question 10

principle of superposition

Answer 10

in an undistributed sequence, each stratum is younger than the one beneath (layer)

Question 11

principle of original horizontally

Answer 11

strata are horizontal or nearly so when they are deposited

Question 12

when 2 conventional plates more apart

Answer 12

rift valleys are formed

Question 13

principle of original lateral continuity

Answer 13

all parts of a stratum, however distributed by later activity were once joined in a single layer

Question 14

unconformities

Answer 14

gaps in the stratigraphic records as a result of no deposition or erosion

Question 15

absolute dating is also called

Answer 15

radiometer dating