Natural Selection

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Across
  1. 1. The stock of different genes
  2. 3. The variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic ecosystems
  3. 5. A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
  4. 8. The changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes.
  5. 9. All of the people inhabiting a specified area.
  6. 10. Any difference between cells
Down
  1. 2. The process in which an organism adapts to their environment
  2. 4. Explanations as to how something might work
  3. 6. A change in which an organism began suited to its environment
  4. 7. A result of an organism