Principals of Evolution Vocabulary Crossword Quiz

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Across
  1. 1. adjustment to environmental conditions, a heritable physical characteristic or behavioral trait that serves a specific function and improves an organism's fitness or survival
  2. 3. similar physical features in organisms that share a common ancestor
  3. 6. the evolution of new species by a gradual accumulation of small genetic changes over long periods of time
  4. 7. the scientific theory explaining the appearance of new species and varieties through various biological mechanisms
  5. 10. a geologic doctrine that changes in the earth's crust have in the past been brought about suddenly by physical forces operating in ways that cannot be observed today
  6. 12. a natural process that results in the survival and reproductive success of individuals or groups best adjusted to their environment and that leads to the perpetuation of genetic qualities best suited to that particular environment
  7. 13. a remnant, impression, or trace of an organism of past geologic ages that has been preserved in the earth's crust
  8. 14. the extent to which or the range in which a thing varies
  9. 16. the capacity of an organism to survive and transmit its genotype to reproductive offspring as compared to competing organisms
  10. 17. the science that deals with the geographical distribution of animals and plants
Down
  1. 2. the branch of science concerned with fossil animals and plants
  2. 4. a geologic doctrine that processes acting in the same manner as at present and over long spans of time are sufficient to account for all current geological features and all past geological changes
  3. 5. the proportion of observed variation in a particular trait that can be attributed to inherited genetic factors in contrast to environmental ones
  4. 8. a group of interbreeding organisms that represents the level of organization at which speciation begins
  5. 9. anatomical feature that no longer serves a purpose
  6. 11. features of different species that are similar in function but not in structure and do not derive from common ancestors
  7. 15. classification of organisms having common attributes and designated by a common name