Across
- 6. generations adapting
- 7. changing over a long time
- 8. what ship was Darwin on
- 9. what did Darwin study
- 10. a characteristic which is infused by genes and passes from parents to offsprings
Down
- 1. when bacteria can resist antibiotics
- 2. what money is most related to us
- 3. how many billion years is earth
- 4. what islands did Darwin visit
- 5. able to survive and reproduce