Across
- 3. a part of an organism (for example one or more bones)
- 6. a group of the same type of organisms living in the same area
- 7. sharing a common ancestor population
- 8. a group of individuals born and living about the same time
- 12. a random change to a gene that sometimes results in a new trait
- 13. a graph that uses bars to show how characteristics or values are distributed within a group
- 14. having died out completely and no longer alive anywhere on Earth
- 15. evidence of life from the past, such as fossilized bones, footprints, or Leaf prints
Down
- 1. everything (living and non-living) that surrounds an organism
- 2. the process by which the distributionOf traits in a population changes over many generations
- 4. To classify based on scientific examination
- 5. a related organism from a previous generation
- 9. the process by which species adapt to environmental changes over a very long time
- 10. to receive genes from a parent
- 11. an organism's arm, leg, or wing