Wordplay Wonderland

5. A sequence of organisms each dependent on the next as a source of food Food Web: Interconnected food chains in an ecosystem
6. A substance dissolved in a solution
7. Process by which the body breaks down food into simpler substances
9. Shipping method using bodies of water
10. Long spear-like weapon used for hunting marine animals
12. Tiny pores on the surface of leaves through which gases are exchanged
13. Printed publication containing news and information
15. Fertile soil found in regions with volcanic activity
18. The practice of cultivating the land and raising animals
20. Process by which plants make their own food using sunlight

1. The gradual destruction of soil by wind, water, or human activity
2. Process of exchanging information
3. Primitive humans of the prehistoric era
4. Prehistoric tools made by shaping stones
8. Channels of communication reaching large audiences
11. Round object used for moving or rotating
14. A substance that dissolves a solute
16. Soil deposited by rivers, rich in nutrients
17. The earliest period of the Stone Age, marked by the use of simple stone tools
19. Prehistoric art found on cave walls