Across
- 3. helps to fight off bacteria
- 5. a single celled organism
- 6. a very well known philosopher,poet and naturalist in his time
- 8. traits and organisms that adapt to better suit an environment overtime
- 9. the change in the characteristics of a species overtime
- 11. the type of cell that makes up a organisms genetic material
- 13. the movement of genes in or out of a population
- 15. this type of cell includes bacteria (always single celled)
- 18. features of different species that are similar in function
- 19. when bacteria mutates and learns how to be resistant against a drug or antibody
- 20. happens to organisms overtime
Down
- 1. when one animal will pick the other to reproduce with due to their advantages in the environment
- 2. when a species dies out completely
- 4. an advantage one species has over the other
- 7. similar species in an organism that show evidence of a common ancestor
- 10. the difference of traits within a species
- 12. changes in a species caused by their environment
- 14. the formation of a new species with distinct traits to another
- 16. when offspring sometimes don't inherit the same genetic traits as their parents
- 17. when two or more species affect the evolution within one organism