Life Science Chapter 5 Vocab

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Across
  1. 5. Also called a missing link
  2. 7. The theory that traits that allow individuals to survive and reproduce better than other individuals without those traits will become more common in the population
  3. 9. fossilized footprints, imprints, and bite marks
  4. 11. The concept that all of Earth's physical processes happen at the same rate in the present time as they did in the past.
  5. 12. empty space is the mold, the sediment that fills the empty space is the cast.
  6. 15. A structure that according to evolutionary theory no longer has a function
  7. 17. The modern model of evolution that blends mutation and natural selection
  8. 18. petrified wood
  9. 19. the idea that Earth has been changed by sudden, short lived, violent events.
Down
  1. 1. Features that are shared by distinct types of organisms
  2. 2. A species of organism whose descendants are believed to form two distinct species
  3. 3. theory that states that simpler organisms have slowly changed into new and more complex organisms over millions of years
  4. 4. The process used to estimate the age of rocks and other materials
  5. 6. Random changes in DNA
  6. 8. The preserved remains of plants and animals
  7. 10. A distinct group of organisms that God created to reproduce
  8. 13. A thin layer of carbon is left, like a printed image.
  9. 14. Amber sap traps an organism and the sap gets buried in the sediment and hardens into amber.
  10. 16. The accumulated random mutations within the DNA of a population of organisms