~Unit 5: Human Impacts on Ecosystems~

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Across
  1. 4. Invasive Species found in NJ during the summers that was brought to the US on stones imported from Asia.
  2. 5. Reliance on this energy source causes an increase in greenhouse gases such as CO2 and methane (two words)
  3. 6. harmful materials that have been added to the environment such as CO2, chemicals, mercury, etc.
  4. 9. Since about 1950, humans have created enough ___ to coat the whole planet in a thin film.
  5. 10. Loss of trees/forests, usually to create space for agriculture or for harvesting lumber resources
  6. 12. Naturally occurring geological phenomenon that cause increase the amount of CO2 and soot in the air causing air pollution.
  7. 16. The epoch we are currently in/creating
  8. 18. A growing human population forces scientists/governments to find more ____ solutions to global problems.
  9. 19. Organisms non-native to ecosystems that cause environmental harm (two words)
Down
  1. 1. When levels of species extinctions far exceed the "background"(average) extinction rate (two words)
  2. 2. Climate Change has created changes in normal weather patterns, including times of ____ which cause water shortages.
  3. 3. Top cause of Biodiversity Loss (two words)
  4. 7. Because Climate Change can alter growing seasons and impact agriculture, it threatens people with ___ scarcity (famine).
  5. 8. Invasive species often increase the ____ between organisms in an ecosystem, resulting in less resources
  6. 11. Industrialized ___ is a top cause of deforestation and contributes to methane and nutrient pollution.
  7. 13. High levels of ____ are hallmarks of healthy ecosystems, making them more resilient when faced with environmental change
  8. 14. About half of the worlds oxygen is made in the our world's ____.
  9. 15. Fishing too much in one area which decreases the amount of fish and results in food web disruptions
  10. 17. When there are no more individuals of a particular species found in the wild, it is considered to be ____.