End Show Slide 1 of 40 Copyright Pearson Prentice Hall Outine 17-1: The Fossil Record.
9.1 The beginnings of geology In 1666, Nicholas Steno, a Danish anatomist, studied a sharks head and noticed that the sharks teeth resembled mysterious.
U SES OF RADIOISOTOPES. R ADIOISOTOPES TO STUDY Carbon – 14 Cobalt – 60 Iodine – 131 Iodine - 125 Determine the numbers of protons, electrons and neutrons.
Though we cant be certain, scientists have suggested that the earth was very hot due to volcanoes and meteorites hitting the earth Sometime around 4.4.
The Fossil Record and Geologic Time Scale Fossils and Geologic Time.
14.1 The record of life 1. 14.1 The Record of Life… VOCABULARY Isotope = atoms of the same element that have different numbers of neutrons. Fossil = evidence.
Evolution Notes Name ________________________ Date ______________ Pd _____.
Evolution. 10.1 – Early Ideas About Evolution Key Concept There were theories of biological and geologic change before Darwin.
Chapter 9, Section 1: Relative Dating Ahhh! Im not dating HER ! Shes my cousin! Eewww! No way!
Ionising Radiation: Risks and Applications Martin Jones Email: [email protected].
Ch 12: The History of Life. Specific environmental conditions are necessary in order for fossils to form. 12.1 The Fossil Record.
Changes over time Life originated from a single-celled organism. Finding a fossils age helps scientists to construct an evolutionary timeline.
