Across
- 1. both organisms get a benefit
- 4. one organism gets a benefit, the other gets a bad thing
- 6. organism that can make its own food
- 8. anything that stops a population from growing
- 9. eats both plants and meat
- 10. organisms that are better adapted produce more offspring
- 11. eats only meat
- 13. His is the Theory of Evolution that we believe today
- 14. individuals leaving a population
- 15. a change to an organism that makes it easier to stay alive
- 16. a living factor
- 17. having more offspring than will survive
- 18. fighting for resources
Down
- 2. individuals entering a population
- 3. change over a long period of time
- 5. organism that needs to eat food
- 7. biggest population that can be supported by an ecosystem
- 12. eats only plants