Across
- 5. Water, carbon, nitrogen, phosphorous, and others play a role in ecosystems, thanks to this cycle.
- 7. (2 words) Species that perform services that provide an economic value to humans are considered to have a direct value such as: Medicinal, Agricultural, & Consumptive use value.
- 8. This vital cycle continually supplies fresh water to terrestrial ecosystems.
- 9. (Fill) Ecosystems are characterized by _______ flow & ________ cycling making up the Biogeochemical cycle.
Down
- 1. (2 words) An indirect value where decomposers break down dead organic matter and other types of wastes into inorganic nutrients.
- 2. Which organisms are the main pollinators for flowering plants?
- 3. Wheat, corn, and rice derived from wild plants modified to increase their ______.
- 4. (2 words) Based on the services ecosystems provide that do not have a measurable economic value (like ecotourism, soil erosion prevention, climate regulation, etc.)
- 6. Most of the prescription drugs currently used in the United States were originally derived from living organisms.