Science 10 DI 3.1

1. Galapagos ___ are a prime example of natural selection and evolution, originally discovered by Darwin.
3. a biological community of plants and animals which, through the process of ecological succession — the development of vegetation in an area over time — has reached a steady state.
6. The diversification of a group of organisms into forms filling different ecological niches.
11. A temporary shortage of rainfall.
13. A community that has reached ecological maturity.
14. The washing away of soil by the flow of water.

1. An over flow of water in an ecosystem.
2. the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established.
4. Tiny leafy-stemmed flowerless plants.
5. One of two types of ecological succession, where the environment lacks so much as soil.
7. A huge destructive wave.
8. The process whereby organisms better adapted to their environment tend to survive and produce more offspring.
9. A natural disaster that commonly occurs in dry forested areas, can be caused by humans.
10. Storms, floods, disasters caused by nature can be called ____.
12. the uppermost layer of tall trees in a tropical rainforest that absorbs most of the sunlight