Ecology terms Crossword Puzzle (Virginia Martinez Casa)

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Across
  1. 3. All the different species that live together in the same environment.
  2. 5. An organism, such as a fungus or bacterium, that breaks down dead organic matter.
  3. 6. The study of the chemical, physical, geological, and biological processes and reactions that govern the composition of the natural environment.
  4. 8. The gradual and orderly process of change in an ecosystem, where different species come to dominate a habitat over time.
  5. 9. A group of individuals of the same species living in a particular area.
  6. 10. A large naturally occurring community of flora and fauna occupying a major habitat.
  7. 15. The part of the Earth and its atmosphere in which living organisms exist.
  8. 17. An organism that can produce its own food from inorganic substances, such as plants.
  9. 18. A symbiotic relationship in which both organisms benefit.
  10. 19. The living components of an ecosystem, such as plants, animals, and microorganisms.
  11. 20. The community of organisms that live on, in, or near the bottom of a body of water.
Down
  1. 1. A group of living organisms that can interbreed and produce fertile offspring.
  2. 2. The variety of living species in a particular ecosystem or the entire Earth.
  3. 4. The struggle between organisms of the same or different species for the same resources.
  4. 7. The study of the distribution of species and ecosystems in geographic space and through geological time
  5. 11. A community of living organisms and their physical environment interacting as a system
  6. 12. The process by which an organism becomes better suited to its environment.
  7. 13. The unique role and position an organism occupies within an ecosystem.
  8. 14. The non-living components of an ecosystem, such as air, water, and soil.
  9. 16. The natural environment in which an organism lives.