Across
- 4. two organisms with the same predator
- 8. too many organisms in a habitat
- 12. helps organisms survive
- 13. making more organisms
- 15. place where organisms live
- 16. aggression between organisms
- 18. diagram of ancestors
- 20. humans
- 21. organisms compete for resources
- 22. evidence for evolution
Down
- 1. organisms with good traits reproduce
- 2. inheritance of alleles and dominance
- 3. a visual disguise or deception
- 5. 2 different phenotypes in the same place
- 6. kind of organism
- 7. evolution of similar features
- 9. nature
- 10. how living things change
- 11. heritable differences within species
- 14. heritable variation causes…
- 17. depletion of resources
- 19. evolutionary history of related organisms