Janasia S crossword puzzle

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Across
  1. 7. a substance that is used up more quickly than it can replace itself
  2. 9. is abiotic or biotic that influences living organisms
  3. 11. the act of leaving ones own country to settle permanently in another
  4. 14. the branch of biology that deals with the relations of organisms.
  5. 15. the practice of living as a parasite in or on another organism
  6. 17. the variety of life in the world or in a particular habitat or ecosystem
  7. 18. the ways in which an element or compound like water moves between its various living and nonliving forms
  8. 20. an organism that is able to form nutritional organic substances from simple inorganic substances such a carbon dioxide
  9. 24. relating to or resulting from living things
  10. 25. an organism deriving its nutritional requirements from complex organic substances
  11. 26. the number of people other living things that a region can support without environmental degradation
  12. 27. a system of interlocking and interdependent food chains
  13. 28. the weather conditions happening in an area in general or over a long period of time
  14. 29. the presence in or introduction into the environment of a substance or thing that has harmful poisonous effects.
Down
  1. 1. factor anything that constrains a populations size and slows or stops it from growing
  2. 2. a person or thing that eats or uses something
  3. 3. the doctrine that mutual dependence is necessary to social well being
  4. 4. the species that first colonize new habitats created by disturbance
  5. 5. interaction between two different organisms living in close physical association
  6. 6. a type of species which other species in an ecosystem largely depend on
  7. 8. the impact of a person or community on the environment
  8. 10. resources that continue to exist despite being consumed or can be replenish
  9. 12. the action of coming to live permanently in a foreign country
  10. 13. the natural home or environment of an animal plant or other organism
  11. 14. a biological community of interacting organisms and their physical environment
  12. 16. an organism that decomposes organic material like a fungus or invertebrate
  13. 17. a large naturally occurring community of flora and fauna occupying a major habitat
  14. 18. the total quantity or weight of organisms in a given area or volume
  15. 19. a graphical representation of the energy found within the trophic levels of an ecosystem
  16. 21. a non living part of an ecosystem that shapes its environment
  17. 22. a person company or country that makes grows or supplies goods for sale
  18. 23. each of several hierarchical levels in an ecosystem comprising organism that share the same function in the food chain