Across
- 3. / Living organisms on land
- 5. / Pure substances that cannot be broken down into simpler substances
- 6. fuels / Remains of an organism
- 8. / Interactions of a species with its ecosystem form this
- 11. / Plant sweat
- 15. / No trees, but small shrubs, hardy grasses
- 17. / When water seeps from ground to ground water
- 18. / Non-living
- 19. / A person who studies ecology
- 21. / Study of the interaction between organisms and their environment
- 22. / Large naturally occurring economy
- 25. / Living
- 26. / Made up of the interactions between living and non-living things
- 27. / Water
- 29. / A complex and self-regulating system
- 30. / Snow, rain, sleet, freezing rain, hail
- 31. / Few trees, covered in grasses and shrubs
- 33. / How long living organisms can continue to interact and reproduce
- 34. / Populations of different species in an area
- 37. / Cows
- 38. / Air
- 39. / Needle and cone-bearing trees
- 41. / Dew/frost to air
- 44. / Physical environment of an organism
- 48. / C
- 49. / Group of the same species
- 50. / Plants and fungi
Down
- 1. / Sweat
- 2. / Group of similar organisms
- 4. / Lose leaves in autumn
- 7. / Glucose + oxygen ----> carbon dioxide + water + energy
- 9. / Atlantic Ocean
- 10. / Lake Ontario
- 12. / Carbon Dioxide + water + light ----> Glucose (sugar) + oxygen
- 13. / Vulture (eat dead flesh)
- 14. / Grass
- 16. / Humans
- 20. / Converted into usable N by legumes and bacteria
- 23. / Another name for taiga forests
- 24. / Land
- 28. / Fungus
- 32. / N
- 35. / Animals
- 36. / Algae and microoranganisms
- 39. / Spruce and fir
- 40. / Biosphere
- 42. / A substance an organism uses to build and repair the cells of its body
- 43. / Mountain water to ground water
- 45. / Composed of all living things on Earth and the physical environment that surrounds them.
- 46. / Underground lakes
- 47. / H20