Y9 Geography Revision

2. A vertical column of rock near a coast formed by erosion of caves and arches.
6. Microscopic marine organisms used to study past climates.
9. A change by which an organism becomes better suited to its environment.
10. The sphere containing the layer of gases surrounding the Earth.
12. The sphere containing the rigid outer layer of the Earth.
15. The clearing or thinning of forests by humans.
16. Avoidance of the depletion of natural resources to maintain ecological balance.

1. The action of treating a resource unfairly for economic gain.
2. A grassy plain in tropical and subtropical regions.
3. A dense forest found in tropical areas with high rainfall.
4. The sphere containing all life on Earth.
5. The process by which colonies gain independence.
7. Efforts to reduce or prevent the emission of greenhouse gases.
8. The variety of plant and animal life in a particular habitat.
11. The sphere containing all the water on Earth’s surface and atmosphere.
13. A hard engineering structure built to prevent coastal erosion, often curved to reflect wave energy.
14. The process by which soil and rock are removed from the Earth's surface.