Across
- 4. one organism (predator) eats another organism (prey) to obtain nutrients
- 5. the nonliving parts of an ecosystem
- 8. all the living and nonliving parts of an environment
- 10. the living parts of an ecosystem
- 11. one organism benefits while the other is neither helped nor harmed (win-meh relationship)
- 13. relationship where organisms compete for resources (food, light, water, shelter, mates, etc)
- 15. a large region of Earth that has a certain climate and certain types of living things
- 17. all of the water on Earth (lakes, oceans, clouds)
- 18. is all of the food chains in an ecosystem
- 19. a living thing that makes its own food from sunlight, air, water, and soil
Down
- 1. one organism benefits and the other organism (host) is harmed
- 2. outlines who eats whom in an ecosystem
- 3. all living organisms on Earth (plants, animals, bacteria)
- 6. both species benefit (win-win relationship)
- 7. a living thing that gets energy by breaking down dead plants and animals
- 9. the solid parts of the Earth; non-living (rock, soil, and landforms)
- 11. a living thing that cannot make its own food
- 12. all of the gases surrounding Earth (five layers)
- 14. resources whose stock or reserves is limited or fixed (oil, coal, natural gas)
- 16. resources that can be replaced over time by natural processes (ex. solar, wind, hydroelectric)