Autotroph connect produce their own food through photosynthesis such as plants

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Across
  1. 5. gone of the face of earth
  2. 7. of fertilizers using to much fertilizer
  3. 9. produce there own food
  4. 10. warming the temperature in certain ecosystems
  5. 12. break down dead organisms
  6. 15. involves movement of carbon
  7. 16. a variant of a gene
  8. 18. the cutting down of trees
  9. 19. cycle plants absorb phosphorus from the soil and it is passed along the food chain
  10. 20. to many people in a small area
Down
  1. 1. overly fishing
  2. 2. lack of water in an area flood
  3. 3. a temporary event that disrupts an ecosystem, community, or population
  4. 4. connect produce their own food through photosynthesis such as plants
  5. 6. of change how fast or slow an environment is
  6. 8. cycle movement of carbon between the atmosphere
  7. 11. different behaviors that can arise out of complex systems
  8. 13. a group of organisms that can naturally interbreed and produce fertile.
  9. 14. adapted to their environment
  10. 17. measures how quickly a population is producing