Evolution

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Across
  1. 5. when the earth's surface layers begin to tilt or slant irregularly
  2. 6. is a stack of originally planar surfaces, such as sedimentary strata, that are bent or curved during permanent deformation
  3. 8. resulting from changes in systems (with respect to time, space, or other variables) in ways that are difficult to predict.
  4. 9. of determining the relative order of past events without necessarily determining their absolute age
  5. 11. of a tooth back into the bone.
  6. 12. that is useful for dating and correlating the strata in which it is found.
  7. 13. selection is the differential survival and reproduction of individuals due to differences in phenotype.
  8. 14. is similarity due to shared ancestry between a pair of structures or genes in different taxa.
Down
  1. 1. is a theory of biological evolution
  2. 2. breeding is the process by which humans use animal breeding and plant breeding to selectively
  3. 3. of the fittest" is a phrase that originated from Darwinian evolutionary theory as a way of describing the mechanism of natural select
  4. 4. is a planar fracture or discontinuity in a volume of rock across
  5. 7. or divergent selection is the accumulation of differences between closely related populations within a species, sometimes leading to speciation.
  6. 10. change in population over time