Ecosystems

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Across
  1. 2. The living components of an ecosystem, including animals, plants, and tiny organisms like phytoplankton.
  2. 5. The burning of hydrocarbons, a human activity that releases extra carbon into the atmosphere.
  3. 7. Tiny, microscopic plant-like organisms that float in oceans and lakes.
  4. 8. Events, such as floods, that can significantly impact a population regardless of its size. something that affects a population of animals or plants no matter how many individuals are in that area.
  5. 10. A pattern where a population's growth slows down as it approaches the carrying capacity of its environment.
  6. 12. Practices that meet current needs without compromising the ability of future generations to meet their own.
  7. 13. A close relationship between different species; commensalism is one type where one organism benefits.
  8. 14. Plants and phytoplankton use sunlight, water, and carbon dioxide to create energy, a process that also releases water vapor.
  9. 16. The non-living components, such as sunlight, water, and carbon dioxide, that influence living things.
  10. 17. A problem caused by human activities where animal homes and ecosystems are broken into smaller, isolated parts.
  11. 18. The process by which carbon dioxide is converted into organic compounds and energy by plants and phytoplankton.
  12. 19. Way of traveling to natural places that is good for the environment and for the local people.
  13. 20. A relationship between two living things where one benefits and the other isn't helped or harmed at all.
Down
  1. 1. Efforts to rebuild and improve the conditions within damaged natural habitats.
  2. 3. Actions taken to bring damaged ecosystems back to their natural state.
  3. 4. Simple chemical compounds made of only two things: hydrogen and carbon atoms. Y
  4. 6. Organic material from plants and animals that contains stored energy from the sun.
  5. 9. Process where plants release water vapor from their leaves into the air.
  6. 11. The process by which living organisms use stored energy, releasing carbon back into the atmosphere.
  7. 15. Ecosystems, such as forests and oceans, that absorb and store large amounts of carbon.
  8. 16. Something caused by humans.