Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

25 Cards in this Set

  • Front
  • Back
element found in the tissues of most organisms
Which branch of a network-tree concept map would contain the following terms: insect, crystallized resin, amber, wooly mammoth, frozen ground?
original remains
Principle stating that Earth's processes occurring today are similar to those that occurred in the past
fossils of species that existed for short periods and were widespread
index fossils
Remains, imprints or traces of once living organisms
cavity in rock made when an organism decayed
formed when original materials in skeletal remains are replaced by minerals
petrified remains
process that occurs when the number of protons in an atom is changed and a new element is formed
radioactive decay
water and quartz is flowing through bones
a solution
states that in a sequence of undisturbed rocks, the oldest rocks are on the bottom and the rocks become progressively younger toward the top
principle of superposition
Method used to determine the order of events and relative ages of rocks by examining the position of rocks in a sequence
relative dating
Method using properties of atoms in rocks and other objects to determine their ages
Absolute Dating
consume the body
What dinosaurs became when there were no longer any living members of their species
dissolves the calcium in the bones
method by which a geologist can calculate the absolute age of the rock by knowing the half life of an isotope
radiometric dating
gaps found in rock records
kind of decay or change in which a new element eventually forms
takes the place of calcium
actual organism or parts of organism protected from decay
original remains
branch of Science that includes the study of rocks and fossils
fossil thin layer of carbon atoms and molecules
carbonaceous film
Method of dating rocks when the amounts of parent and daughter materials are measured
Half Life
produced when sediments fill in a cavity made when objects decay
cause soft parts to decay