Across
- 1. predicted human population will grow faster then supplies needed
- 3. one of the first to propose a mechanism of change over time in organisms
- 4. the ability of an individual to survive
- 5. what did Darwin refer to “survival of the fittest” as
- 8. in ______, nature provided the variation
- 9. walking leaf insect in picture is an example of
Down
- 2. any inherited characteristic
- 6. well supported hypothesis, but not proven
- 7. change over time
