Final

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Across
  1. 4. the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
  2. 5. A group of islands in the Pacific off south America; owned by Ecuador; known for unusual animal life
  3. 8. an organism's ability to survive and reproduce in a particular environment.
  4. 10. a distinguishing quality or characteristic, typically one belonging to a person.
  5. 13. similar physical features in organisms that share a common ancestor, but the features serve completely different functions.
  6. 15. a breed of small scent hound, similar in appearance to the much larger foxhound.
  7. 17. Often referred to as the "Father of Modern Geology"
  8. 19. a change or the process of change by which an organism or species becomes better suited to its environment.
  9. 21. one species is the ancestor of two or more species later in time
Down
  1. 1. the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA.
  2. 2. rudimentary anatomical structures that are retained in a species despite having lost their primary ancestral function.
  3. 3. the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations
  4. 6. the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
  5. 7. French naturalist who introduced the taxonomic distinction between vertebrates and invertebrates
  6. 9. derived genetically from one's parents or ancestors.
  7. 11. differential survival and reproduction of individuals due to differences in phenotype.
  8. 12. the theory of exponential population and arithmetic food supply growth.
  9. 14. a person's child or children.
  10. 16. Scottish geologist who demonstrated the power of known natural causes in explaining the earth's history.
  11. 18. British naturalist who proposed the theory of evolution based on natural selection
  12. 20. a carefully thought-out explanation for observations of the natural world that has been constructed using the scientific method/