Brendon crossword puzzle

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Across
  1. 5. a group of people with common characteristics
  2. 7. factor is non living part of an ecosystem that shapes its environment
  3. 11. curve is a graph showing the number or proportion
  4. 13. web is the natural interconnection of food chains and a graphical represtation
  5. 14. a person who purchases goods and service for personal use
  6. 15. height of something amount of number
  7. 18. of a hormone or its effect stimulating the activity of another endocrine gland
  8. 19. terrestrial habitat types include forests grasslands wetlands and deserts
  9. 21. pyramid is a model that shows the flow of energy from one trophic
  10. 22. the different nutrient processes in an env
  11. 23. the clue
Down
  1. 1. cycle cycles mainly refer to the movement of nutrients
  2. 2. an organism especially a soil bacterium fungus or invertebrate
  3. 3. the doctrine that mutual dependence is necessary social well being
  4. 4. factor is a living organism that shapes its environment
  5. 6. the total quantity or weight of orgsnisms in a given area or volume
  6. 8. is a distinct geographical region with
  7. 9. an association between two organisms in which one benefits
  8. 10. a film producer is a person who oversees film production
  9. 12. is an organism that eats other plants or animals
  10. 16. a biological community of interacting organisms
  11. 17. an organism that is able to form nutritional organic
  12. 20. interaction between two different organisms living in close assocation
  13. 21. niche in ecology a niche is the match of a species to a specific