Population Change Crossword

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Across
  1. 2. The amount of variation in inherited traits between individuals of the same species.
  2. 6. Best estimate of a fossils age.
  3. 7. These are uni-cellular prokaryotes
  4. 8. These are both multi and uni cellular eukaryotes.
  5. 9. A branch of biology that seeks to understand the dramatic history of the earths changing biodiversity.
  6. 10. The study of geographic distribution of life on earth.
  7. 11. This is the science of classification according to inferred relationships among organisms.
  8. 12. The study of the history of evolution if a particular species.
  9. 13. Organisms that offer support that modern organisms evolved from ancestral forms.
  10. 14. Involves a series of choices based on characteristics that leads one to correctly identify an organism.
Down
  1. 1. The number of different species inhabited in a given area or the globe.
  2. 3. The study of fossils.
  3. 4. these are very similar to bacteria but show significant genetic differences.
  4. 5. Naming organisms by using two names.
  5. 15. A category to classify organisms.