Science

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Across
  1. 6. a related organism from a previous generation
  2. 9. sharing a common ancestor population
  3. 11. a part of an organism (for example, one or more bones)
  4. 12. a group of the same type of organism living in the same area
  5. 13. an organism's arm, leg, or wing
  6. 14. a specific characteristic of an individual organism
  7. 15. living things, such as plants, animals, and bacteria
Down
  1. 1. to classify based on scientific examination
  2. 2. to receive genes from a parent
  3. 3. everything (living and nonliving) that surrounds an organism
  4. 4. an event or process that leads to a result or change
  5. 5. a group of individuals born and living at the same time
  6. 7. when something stays mostly the same over time
  7. 8. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
  8. 10. having died out completely and no longer alive on earth