Across
- 4. the remains of a plant or animal from a past geological age
- 5. a process in which organisms evolve to adapt to environment
- 7. A process which something passes to a different stage
- 9. a living thing that can act or function independently
- 12. group of genetically related organisms in a line of descent
- 14. noticeable variety
- 15. process to adjust to an environment
Down
- 1. the number of people in a territory or state.
- 2. Darwin Scientist who formulates the theory of evolution
- 3. the immediate descendants of a person or organisms
- 6. the totality of surrounding conditions
- 8. sequence of events involved in the development of a species
- 10. a change of altercation in form or qualities
- 11. Material that carries the information in a cell
- 13. undergo development