Across
- 5. a relationship between organisms
- 8. one benefits while the other gains nothing
- 9. all living things on the planet
- 11. non living factors in an environment
- 12. both organisms benefit
- 14. Get their energy from other organisms
- 15. behavior that benefits the population
Down
- 1. living factors in an environment
- 2. Get their energy from the sun
- 3. a simple sugar
- 4. Simplest path energy can take in an ecosystem
- 6. a collection of communities in one biome
- 7. Plant eating organisms
- 10. organisms that are part of the same species
- 13. a parasite benefits at the expense of the host