Across
- 5. how suitable soil is for plant growth
- 8. features or traits of an organism
- 11. the passing of characteristics from parents to offspring
- 12. the breakdown of dead material
- 15. movement of energy through a food chain
- 16. an organism (usually a plant) that makes its own food
- 18. harmful substances released into the environment
- 20. the variety of different species in an area
- 24. protecting and preserving the environment
- 29. an animal that eats both plants and animals
- 31. the survival of organisms best adapted to their environment
- 34. an animal that is eaten by predators
- 37. how species change over time
- 38. an animal that eats plants
- 39. all the populations of different species in one area
- 40. how organisms rely on each other to survive
- 43. an animal that eats other animals
- 44. web, a network of interconnected food chains
- 46. substances added to soil to help plants grow
- 48. using resources without running out
Down
- 1. all the organisms of one species in an area
- 2. a period of inactivity during cold conditions
- 3. an animal that hunts and eats other animals
- 4. how much light reaches an area
- 6. a group of organisms that can reproduce together
- 7. availability, how much food is present in a habitat
- 8. long-term changes in Earth’s climate
- 9. changes, changes in conditions throughout the year
- 10. nutrients in soil needed by plants
- 13. animals that hunt others
- 14. units of inheritance passed from parents to offspring
- 17. chain, a simple sequence showing who eats whom
- 19. illness that can affect populations
- 21. how hot or cold an environment is
- 22. an organism that breaks down dead matter (e.g. bacteria, fungi)
- 23. the place where an organism lives
- 25. stages in a food chain
- 26. the surrounding conditions where organisms live
- 27. movement of organisms from one place to another
- 28. increase in Earth’s average temperature
- 30. a community of organisms and their environment interacting together
- 32. differences between individuals of the same species
- 33. when a species dies out completely
- 35. when organisms fight for the same resources
- 36. an organism that eats other organisms
- 41. rotting process by decomposers
- 42. the total mass of living organisms in an area
- 45. cutting down forests
- 47. a feature that helps an organism survive