IB Biology Ecosystems

12345678910111213141516171819202122232425262728293031323334353637383940
Across
  1. 4. What term describes feeding levels in a food chain
  2. 6. What type of niche is the full potential role of a species
  3. 8. What interaction benefits one and harms the other
  4. 11. What is a random change in DNA that can lead to adaptation
  5. 13. Which organisms break down dead matter
  6. 15. What process releases energy from organic molecules
  7. 16. Which organisms convert light energy into chemical energy
  8. 18. What type of adaptation involves actions
  9. 20. What interaction involves one organism feeding on another
  10. 22. What type of biodiversity refers to variation within a species
  11. 25. What includes all organisms and their environment
  12. 27. What measures the number of individuals per unit area
  13. 28. What level of biodiversity refers to variety of species
  14. 30. What term describes the total mass of living material
  15. 31. What process makes organisms better suited to their environment
  16. 32. What process favours individuals with advantageous traits
  17. 33. What term describes the role of a species in an ecosystem
  18. 34. What is the permanent loss of a species
  19. 35. What includes all populations in an area
  20. 36. What non-living factors affect adaptation
  21. 38. What term describes close interactions between species
  22. 39. What term describes species found only in one location
  23. 40. What type of adaptation involves body features
Down
  1. 1. Which organisms obtain energy by feeding on others
  2. 2. What restricts population growth
  3. 3. Why is energy lost between trophic levels
  4. 5. What is the maximum population size an environment can support
  5. 7. What term describes members of one species in an area
  6. 9. What is the protection of species and habitats called
  7. 10. What term describes the variety of life in an area
  8. 12. What type of adaptation involves internal processes
  9. 14. What term describes the natural place an organism lives
  10. 17. What dead organic matter is called
  11. 19. What describes how individuals are spaced
  12. 21. What interaction benefits both species
  13. 23. What interaction occurs when niches overlap
  14. 24. What type of niche is limited by competition
  15. 26. What interaction benefits one with no effect on the other
  16. 29. What process introduces energy into ecosystems
  17. 37. What living factors affect adaptation