Across
- 3. The process by which organisms gradually change over time. (8 letters)
- 7. The disappearance of a species from all parts of its geographical range.
- 9. The variety of genes within a species. (8 letters)
- 10. The variety of different species in a particular habitat. (7 letters)
Down
- 1. The protection of natural resources to ensure their sustainability for future generations. (10 letters)
- 2. A type of species that has a critical role in maintaining the structure of an ecological community. (8 letters)
- 4. The number of different species in a given area. (7 letters)
- 5. The complete range of different species in a community. (9 letters)
- 6. The variety of ecosystems in a given place. (10 letters)
- 8. group of organisms that can interbreed and produce fertile offspring. (6 letters)