MICHAEL

Edit Answers
1234567891011121314151617181920
Across
  1. 3. decay PROCESS IN WITCH ISOTOPES BREAK DOWN.
  2. 4. time scale DIVISION OF EARTHS HISTORY INTO TIME UNITS
  3. 6. film THIN FILM OF CARBON
  4. 7. THIRD LONGEST DIVION IN GEOLOGIC TIME
  5. 8. SELECTION best suited individuals survive there enviornment
  6. 13. LONGEST SUBDIVISION IN GEOLOGIC TIME SCALE
  7. 14. TIME ERA LONGEST PART IN EARTHS HISTORY.
  8. 17. SECOND LONGEST DIVISION IN GEOLOGIC TIME
  9. 18. age THE AGE OF SOMETHING COMPARED TO OTHER THINGS.
  10. 19. life cast REMAINS OF A SPECIES THAT LIVED LONG AGO
  11. 20. PRINCIPAL STATING THAT EARTH WAS THE SAME IN PAST AS IT IS TODAY.
Down
  1. 1. organism with a 3 lobed exoskeleton
  2. 2. EVOLUTION-change in heretditary features
  3. 5. chlorophyll contains photosynthetic bacteria.
  4. 9. age fossil A TYPE OF BODY FOSSIL HAT FORMS IN ROCK
  5. 10. GAP IN ROCK LAYER THAT IS DUE EROSION.
  6. 11. NEXT SMALLER DIVISION OF GEOLOGIC TIME
  7. 12. fossil REMAINS IMPRINTS OR TRACES OF PREHISTORIC LIFE
  8. 15. organizims that breed among themselfs.
  9. 16. era ERA OF RECENT LIFE THAT BEGAN 66 MILLION YEARS