Across
- 3. event that drastically reduces the size of a population
- 4. changes a species undergoes in response to environmental pressure
- 6. the ecosystem functions that are necessary for the production of all other ecosystem services
- 11. variety of different species, plants, and animals
- 14. species with a narrow niche and specific needs to survive
- 15. species with a broad niche that is easily adaptable to many conditions
- 16. non tangible elements of the environment that benefit society in a spiritual or cultural sense
- 17. Reflects the health of its ecosystem
- 18. the first species to colonize a disturbed area
Down
- 1. range of conditions an organism can endure before death
- 2. non native species that has been introduced to a new area and causes harm
- 5. absence of water in an area
- 7. biodiversity and number of species inhabiting an island is impacted by the island's size and isolation
- 8. variety of different habitats
- 9. benefit nature provides in terms of material goods and resources
- 10. direct and indirect benefits that ecosystems provide humans
- 12. an area thoroughly cleared of all of its trees at once
- 13. Maintain balance in ecosystem and regulate important environmental factors
