Across
- 3. a symbiotic relationship in which one organism benefits at the expense of another organism
- 5. evidence from many related investigations supports an idea.
- 8. the portion of Earth that supports life.
- 10. factor, the nonliving factors in an organism’s environment.
- 11. the process of natural changes that take place during the life of an organism.
- 14. a relationship in which one organism benefits and the other organism is neither helped nor harmed.
- 17. factor, the living factors in an organism’s environment.
- 18. inherited characteristic that results from changes to a species over time.
- 19. community, a group of interacting populations that occupy the same geographic area at the same time.
- 20. results in the addition of mass to an organism.
- 21. most living things are the result of it.
Down
- 1. regulation of an organism’s internal conditions to maintain life.
- 2. the reaction to a stimulus.
- 4. anything that is part of either environment and causes some sort of reaction by the organism
- 6. a group of organisms that can breed with one another and produce fertile offspring.
- 7. the scientific discipline in which the relationships among living organisms and the interaction the organisms have with their environments are studied
- 9. the act of one organism consuming another organism for food.
- 12. people study living things or pose questions about how living things interact with the environment.
- 13. the relationship between two or more organisms that live closely together and benefit from each other.
- 15. individual organisms of a single species that share the same geographic location
- 16. the same time.
- 22. more organism uses a resource at the same time.
