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