Level One Crossword Puzzle

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Across
  1. 5. - gene variant frequency changing randomly in the population
  2. 7. - organisms disguising themselves to blend in with surroundings for protection
  3. 9. - organism's changes for better adaptation to its environment
  4. 10. - an organism passing its genetic material to offspring
  5. 12. - selection of the fittest for survival and reproduction
  6. 13. - when an organism changes to look like something else
Down
  1. 1. - changes in metabolism and physiology is organims
  2. 2. - leftover body parts from ancestors with no clear function
  3. 3. - animals moving between habitats for food, conditions, and reproduction
  4. 4. - how organisms adapt and change over time
  5. 6. - adapting or changing behavior for new situations
  6. 8. - similar functions in different species, not structure
  7. 11. - when a species changes over many generations