Across
- 3. relating to biology or living organisms.
- 4. denotes the theory of evolution
- 7. process of change in all forms over generations
- 8. gradual development of social forms
- 10. the branch of biology
- 11. relating to natural phenomena.
- 12. action or process of adapting
- 13. hybrid delay
- 14. Theory of natural selection
Down
- 1. species can change over time,
- 2. to do what is necessary to survive
- 5. phrase that originated from Darwin
- 6. People are subject to natural selectiongradual development of society and social forms
- 9. the process by which different kinds of living organisms are thought to have developed