INVIRONMENT

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Across
  1. 3. are controlled by external and internal factors.
  2. 6. environment in which a particular species of organism lives.
  3. 8. of carbon dioxide a green house gas.
  4. 9. organism or of a group of kinds usually a species.
  5. 11. rain- from soil clay particles and flow into streams and lakes.
  6. 12. as loss of species ecosystem due to pollution and human activities.
  7. 13. more than 1,200 animal species and 4700 plant species.
  8. 14. standards and which are identified as such by a special color.
Down
  1. 1. such as agriculture croplands or mining activities.
  2. 2. with negative connotation of accompanying environmental.
  3. 4. the global warming of earth climate.
  4. 5. of predators and prey to detect one another.
  5. 7. of the landscape into smaller and more isolated pieces.
  6. 8. two thirds of landfill waste is biodegrable
  7. 10. is the scientific analysis and studying.