ECOSYSTEMS CROSSWORD

2. All the different populations in an area.
3. To maintain stable ecological conditions.
7. Large group of individuals of the same species that live in a close area.
8. When one species preys on another. Often due to other environmental factors.
10. Environmental factor that is living.
12. Organisms that break down other dead organisms.
15. The part of earth that is made up of water in its liquid form. For example lakes or oceans.
16. Middle layer below the crust.
17. When two species benefit from one another.
19. An animal that only eats meat.
23. The number and variety of species in an ecosystem.
24. Made up of all the frozen water on earth, such as glaciers.
25. The earth's main source of energy.
26. The transition area between two ecosystems. Particularly biodiverse.

1. Anything that is alive.
4. Environmental factor that is non-living.
5. All ecosystems on Earth.
6. Animals that only eats plants.
9. Solid, rocky part of the Earth.
11. Ecosystems adapted to their abiotic environments.
13. Organism that cannot product its own energy.
14. An organism that creates its own energy.
18. Mixture of gases that surround the earth and protect it.
20. An animal that eats both plants and meat.
21. Living, biotic factors interacting with abiotic factors in a large area.
22. Relatively thin outermost layer of the geosphere.
24. Earth's central part, below both the crust and mantle.