Across
- 2. the theory of island biogeography applies to oceans, islands and
- 4. food, medicine, pets drive this threat to biodiversity
- 7. national parks are used for recreation
- 9. this term means the same as biodiversity
Down
- 1. two male lions fighting with each other for the right mate
- 3. how do invasive species not damage the ecosystem
- 5. this category/service includes raw materials we get from nature
- 6. relationship that involves a host
- 8. are biodiversity and species richness directly related