Across
- 5. Occurs when no rain falls for a long period of time
- 6. All the organisms living in a place together with their environment
- 7. Protecting ecosystems and the organisms that live in them
- 10. The nonliving things in an environment
- 11. A group of organisms of the same species in an ecosystem
- 12. All the populations that live and interact in an area
- 14. When all the members of a certain species die
- 16. Role or function in its ecosystem
Down
- 1. Litter on the ground or harmful chemicals in the water
- 2. The place where it lives within an ecosystem
- 3. The variety of different species that live in an ecosystem
- 4. The gradual change of organisms in an ecosystem
- 7. The struggle for resources in an ecosystem
- 8. All the living and nonliving things that surround and affect organisms
- 9. An overflowing of water onto land that is normally dry
- 13. The part of the earth's crust, waters, and atmosphere that supports life.
- 15. The average weather in an area overtime