Environmental Systems

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Across
  1. 5. how close a measured value is to the actual or true value
  2. 6. the sum of all the conditions surrounding us that influence life
  3. 8. nonliving
  4. 9. derived from human activities
  5. 12. diversity a measure of the genetic variation among individuals in a population
  6. 13. a testable conjecture about how something works
  7. 15. hydraulic fracturing, a method of oil and gas extraction that uses high-pressure fluids to force open cracks in rocks deep underground
  8. 16. footprint a measure of how much an individual consumes, expressed in area of land
  9. 18. a person who participates in environmentalism, a social movement that seeks to protect the environment through lobbying, activism, and education
  10. 20. extinction rate the average rate at which species become extinct over the long term
  11. 23. indicator an indicator that describes the current state of an environmental system
  12. 24. services the processes by which life-supporting resources such as clean water, timber, fisheries, and agricultural crops are produced
Down
  1. 1. how close the repeated measurements of a sample are to one another
  2. 2. love of life
  3. 3. the data collection procedure of taking repeated measurements
  4. 4. studies the field of study that includes environmental science and additional subjects such as environmental policy, economics, literature, and ethics
  5. 7. living
  6. 10. experiment a natural event that acts as an experimental treatment in an ecosystem 23. null hypothesis a prediction that there is no difference between groups or conditions, or a statement or an idea that can be falsified, or proved wrong
  7. 11. group in a scientific investigation, a group that experiences exactly the same conditions as the experimental group, except for the single variable under study
  8. 14. science the field of study that looks at interactions among human systems and those found in nature
  9. 17. the diversity of life forms in an environment
  10. 19. a particular location on Earth with interacting biotic and abiotic components
  11. 21. gases gases in Earth’s atmosphere that trap heat near the surface
  12. 22. improvement in human well-being through economic advancement