FR/EH

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Across
  1. 4. a branching diagram showing the cladistic relationship between several species
  2. 5. order- the arrangement of things in the order that they occurred
  3. 8. a person who studies fossils
Down
  1. 1. the state of being diverse; variety
  2. 2. the formation of fossils as stone replaces decaying tissues
  3. 3. the mineralized remains of organisms, showing how long dead organisms lived and how their bodies were instructed
  4. 5. ancestry- when organisms are descended from a single ancestor
  5. 6. the study of the structures of organisms and their parts
  6. 7. - to change the frequencies of alleles in a populatpaleontologyme
  7. 9. the permanent disappearance of a species from the earth