natural resources crossword!
Across
- 7. a person or thing that eats or uses something.
- 8. an association between two organisms in which one benefits and the other derives neither benefit nor harm.
- 10. an important scientific tool, used to identify different organisms, based the organism's observable traits
- 11. the variety of life in the world or in a particular habitat or ecosystem.
- 12. all the inhabitants of a particular town, area, or country.
- 14. symbiosis that is beneficial to both organisms involved.
- 15. not derived from living organisms.
- 16. relating to or resulting from living things
- 17. where plants, animals, and other organisms,live together
Down
- 1. habitat after a major significantly alters an area
- 2. the Earth's surface where life exists.
- 3. the process whereby organisms better adapted to their environment tend to survive and produce more offspring
- 4. grows, or supplies goods or commodities for sale.
- 5. a system of interlocking and interdependent food chains.
- 6. a group of people living in the same place
- 9. plants and animals first colonize a barren, lifeless habitat.
- 13. the practice of living as a parasite in or on another organism.