Across
- 2. Sailors gathered giant tortoises from volcanic islands to _____ them later.
- 5. Without ___________ between individuals in a population, no evolution can occur.
- 6. Because differences exist between individuals, so individuals will be more successful ____________.
- 7. Ship captained by Robert Fitzroy.
- 8. The eventual fate of all species.
- 9. Characteristics that make successful competitors must be ___________ for evolution to occur.
- 11. Name of the author of "On the Origin of Species".
- 13. Evolution that drives different populations of the same species to develop dissimilarities.
- 14. Published a theory that man's population growth would eventually outpace man's ability to feed the population.
Down
- 1. Volcanic island chain off the west coast of South America.
- 3. Evolution different species to develop similar adaptations to similar environments.
- 4. Process by which the author of "On the Origin of Species" hypothesized speciation occurred.
- 10. Hypothesized that species could develop through the inheritance of acquired characteristics.
- 12. Bird group showing multiple unique species on the volcanic island chain.
