Variation

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Across
  1. 3. Variation which is influenced by its surroundings
  2. 5. Variation which is controlled by genes
  3. 7. Variation which includes food and nutrients
  4. 9. Environmental and genetic variation, can include "pigments"
Down
  1. 1. Measured in metres
  2. 2. Environmental variation on your fingers
  3. 4. Giraffes have these to improve fighting ability
  4. 6. Siblings that we created together
  5. 8. Genetic variation linked to vision