Fossil record

Question 1

uniformitarianism

Answer 1

principle that states past Geo processes can be explained by modern Geo processes

Question 2

catastrophism

Answer 2

principle that state Geo processes are random

Question 3

paleontology

Answer 3

The study of fossils

Question 4

relative dating

Answer 4

any method that says if a event/object is older than another

Question 5

Absolute dating

Answer 5

Method of meausuring the age of an event/object

Question 6

isotope

Answer 6

an atom of same protons but different neutrons

Question 7

radioactive decay

Answer 7

decay of radioactive isotopes

Question 8

half life

Answer 8

time needed for half of radioactive substances to go under readiactive decay and also a pretty great game

Question 9

Fossil

Answer 9

The skeleton of an animal covered under layers of sediment

Question 10

trace fossil

Answer 10

fossilized footprint

Question 11

mold

Answer 11

A mark or cavity in a sedimentary surface made by a body

Question 12

cast

Answer 12

where sediment fills in the cavity of a dead organism

Question 13

Unconformity

Answer 13

something that messes up rock layers

Question 14

Mass extinction

Answer 14

A event where many animals die

Question 15

jurassic

Answer 15

201.3 million years ago to 145 million years ago

Question 16

Cretacious

Answer 16

145 MYA to 66MYA

Question 17

Devonian

Answer 17

419.2 MYA to 358.9 MYA

Question 18

superposition

Answer 18

Undisturbed layer of rocks means youngest on top oldest on bottom

Question 19

Quaterny

Answer 19

Period we are in now

Question 20

Permian period

Answer 20

298.9 MYA to 251.902 MYA