Theory of evolution!!

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Across
  1. 6. ,a change or the process of change by which an organism or species becomes better suited to its environment.
  2. 8. of Evolution ,The theory of evolution is based on the idea that all species? are related and gradually change over time.
  3. 9. ,Darwinism is a theory of biological evolution developed by the English naturalist Charles Darwin.
  4. 10. ,the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations.
  5. 11. develop gradually, especially from a simple to a more complex form.
  6. 12. ,A well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment.
Down
  1. 1. ,a change or difference in condition, amount, or level, typically with certain
  2. 2. ,the notion that an organism can pass on to its offspring physical characteristics that the parent organism acquired through use or disuse during its lifetime.
  3. 3. ,a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
  4. 4. ,Inherited traits are passed from parent to offspring according to the rules of Mendelian genetics.
  5. 5. Selection ,the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
  6. 7. hide or disguise the presence of.