Across
- 3. energy from the sun.
- 4. are materials and energy in nature that are essential or useful to humans.
- 8. are single, identifiable sources.
- 10. a group of organisms with distinctive traits and, for sexually reproducing organisms, can mate and produce fertile offspring.
- 12. can be replenished through natural processes as long as it is not used up faster than it is renewed.
- 15. the astounding variety of different organisms, the genes they contain, the ecosystems in which they exist, and the natural services they provide have yielded countless ways for life to adapt to changing environmental conditions throughout the earth’s history.
- 16. is a set of organisms interacting with one another and with their environment of nonliving matter and energy within a defined area or volume.
- 17. the amount of biologically productive land and water needed to supply the people in a particular country or area with resources and to absorb and recycle the wastes and pollution produced by such resource use.
- 18. is anything obtained from the environment to meet our needs and wants.
- 19. occurs when people are unable to meet their basic needs for adequate food, water, shelter, health, and education.
- 21. which are our beliefs about what is right and wrong with how we treat the environment.
- 22. is the whole of a society’s knowledge, beliefs, technology, and practices, and human cultural changes have had profound effects on the earth.
- 23. are harmful materials that can be broken down by natural processes.
- 24. involves collecting waste materials and processing them into new materials.
Down
- 1. The highest rate at which a renewable resource can be used indefinitely without reducing its available supply.
- 2. is any in the environment that is harmful to the health, survival, or activities of humans or other organisms.
- 3. is the ability of the earth’s various natural systems and human cultural systems and economies to survive and adapt to changing environmental conditions indefinitely.
- 5. is using a resource over and over in the same form.
- 6. study of the production, distribution, and consumption of goods and services.
- 7. competition for limited resources among different species places a limit on how much their populations can grow.
- 9. an interdisciplinary study of how humans interact with the environment of living and nonliving things.
- 11. is a set of assumptions and values reflecting how you think the world works and what you think your role in the world should be.
- 13. are dispersed and often difficult to identify.
- 14. the annual market value of all goods and services produced by all firms and organizations, foreign and domestic, operating within a country.
- 20. study of how organisms interact with one another and with their nonliving environment.