BIOSHPERE Crossword

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Across
  1. 2. A person or thing that reacts
  2. 6. A process that plants use
  3. 9. an organism requiring organic compounds
  4. 10. mutualism, commensalism, or parasitism.
  5. 12. factor an environmental factor that tends to limit population size.
  6. 15. An animal that eats plants
  7. 16. adjustment
  8. 17. function of an organism in a community of plants and animals.
  9. 19. a locality inhabited by such a group.
  10. 21. Also called ecological succession
  11. 22. The total number of organisms in one area
  12. 24. species hardy species which are the first to colonize barren environments
  13. 25. a class of individuals having some common characteristics or qualities
  14. 27. the natural environment of an organism
  15. 29. life
  16. 30. a relationship between two species of organisms in which both benefit from the association.
Down
  1. 1. an animal or other organism that feeds on dead organic matter.
  2. 3. a type of relationship between two species where one does not get damaged
  3. 4. an animal capable of self-nutrition
  4. 5. the decay of which depletes the shallow waters of oxygen in summer.
  5. 7. An animal that eats flesh
  6. 8. he ecosystem comprising the entire earth and the living organisms that inhabit it.
  7. 11. a relation between organisms in which one lives as a parasite on another.
  8. 13. the act of breathing
  9. 14. a relation between animals in which one organism captures and feeds on others.
  10. 18. thing produced by labor
  11. 20. a group of interconnected elements
  12. 23. Non-life
  13. 26. eats both plants and flesh
  14. 28. capacity maximum number of species
  15. 29. a complex biotic community characterized by distinctive plant and animal species and maintained under the climatic conditions of the region