Topic 6: Natural Selection and Changes

123456789
Across
  1. 6. humans breed or decide what traits will be passed on
  2. 7. gradual change in species over time
  3. 8. small variations in a population over time
  4. 9. a species no longer has known living individuals
Down
  1. 1. bones in different animals showing they have a common ancestor
  2. 2. any difference in individuals of same species
  3. 3. certain traits help an individual survive and reproduce
  4. 4. big change with new species made over time
  5. 5. able to survive and reproduce