Evolution

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Across
  1. 4. the remains of a plant or animal from a past geological age
  2. 5. a process in which organisms evolve to adapt to environment
  3. 7. A process which something passes to a different stage
  4. 9. a living thing that can act or function independently
  5. 12. group of genetically related organisms in a line of descent
  6. 14. noticeable variety
  7. 15. process to adjust to an environment
Down
  1. 1. the number of people in a territory or state.
  2. 2. Darwin Scientist who formulates the theory of evolution
  3. 3. the immediate descendants of a person or organisms
  4. 6. the totality of surrounding conditions
  5. 8. sequence of events involved in the development of a species
  6. 10. a change of altercation in form or qualities
  7. 11. Material that carries the information in a cell
  8. 13. undergo development