Fossils & Modern Organisms

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  1. 6. The traits, behaviors, and parts of living things.
  2. 8. The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
  3. 10. The Quaternary is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy. It follows the Neogene Period and spans from 2.58 million years ago to the present.
  4. 11. The Ordovician is a geologic period and system, the second of six periods of the Paleozoic Era.
  5. 15. The Neogene is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period 23.03 million years ago to the beginning of the present Quaternary Period 2.58 Mya.
  6. 17. Relating to the study of the earth's physical structure and substance.
  7. 18. Relating to or denoting the era between the Paleozoic and Cenozoic eras, comprising the Triassic, Jurassic, and Cretaceous periods.
  8. 19. The Carboniferous is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period 358.9 million years ago, to the beginning of the Permian Period, 298.9 mya.
  9. 21. that show intermediary links between groups of organisms
  10. 25. The Cretaceous is a geological period that lasted from about 145 to 66 million years ago.
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  1. 1. The Devonian is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, 419.2 million years ago, to the beginning of the Carboniferous, 358.9 Ma.
  2. 2. Relating to or denoting the most recent era, following the Mesozoic era and comprising the Tertiary and Quaternary periods.
  3. 3. The Permian is a geologic period and stratigraphic system which spans 47 million years from the end of the Carboniferous Period 298.9 million years ago, to the beginning of the Triassic Period 251.902 Mya.
  4. 4. The Silurian is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at 443.8 million years ago, to the beginning of the Devonian Period, 419.2 Mya.
  5. 5. Relating to or denoting the era between the Precambrian eon and the Mesozoic era.
  6. 7. The Cambrian Period is the first geological period of the Paleozoic Era, and of the Phanerozoic Eon.
  7. 9. The geologic time scale or geological time scale is a representation of time based on the rock record of Earth.
  8. 12. The Triassic is a geologic period and system which spans 50.5 million years from the end of the Permian Period 251.902 million years ago, to the beginning of the Jurassic Period 201.4 Mya
  9. 13. A fossil that is useful for dating and correlating the strata in which it is found.
  10. 14. The Paleogene is a geologic period and system that spans 43 million years from the end of the Cretaceous Period 66 million years ago to the beginning of the Neogene Period 23.03 Mya.
  11. 16. Shows how one taxonomic group of organisms is nested within another taxonomic group.
  12. 20. The Jurassic is a geologic period and stratigraphic system that spanned from the end of the Triassic Period 201.4 million years ago to the beginning of the Cretaceous Period, approximately 145 Mya.
  13. 22. An arrangement or organization of parts to form an organ, system, or living thing.
  14. 23. A self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
  15. 24. layers of rock, or sometimes soil.