Across
- 4. evolved resemblance between an organism and another object
- 7. interaction between organisms where both require a limited supply
- 8. structures that have no apparent function and appear from past ancestor
- 11. different kinds of living organisms
- 13. similar physical features in organisms sharing common ancestor
- 15. cooperate with another in environment
Down
- 1. one specifies being the ancestor of another in later period
- 2. reproductive success reflecting how org. adapts to environment
- 3. branching diagram showing evolutionary relationship
- 5. movement of animals from one region to another.
- 6. genetic transfer from one population to another
- 9. ability of bacteria to resist the effects of an antibiotic
- 10. study of the distribution of species throughout geological time
- 12. remains of a prehistoric organism
- 14. disgusted to blend in with surrounding