ESS Topics 1-3 Important Terms

8. The excessive enrichment of water with nutrients, leading to algal blooms.
9. The natural and gradual change in species composition in an ecosystem over time.
10. The formation of new species through evolutionary processes.
13. The excessive use of natural resources leading to depletion.
14. A species that is native to a particular area and found nowhere else.
16. The benefits that humans obtain from ecosystems.
17. A chain reaction in an ecosystem where changes at one trophic level affect multiple levels.
18. A natural or artificial connection that allows wildlife movement between habitats.
19. Sustainable tourism that promotes conservation and benefits local communities.
20. Conservation of species in their natural habitat.
21. The breaking up of habitat into smaller, isolated patches.

1. Conservation methods outside of natural habitats, such as zoos and seed banks.
2. A species that has a critical role in maintaining ecosystem balance.
3. The removal of forests for human activities such as agriculture and urbanization.
4. The process of restoring ecosystems to their natural state by reintroducing native species and reducing human influence.
5. A non-native species that spreads rapidly and disrupts native ecosystems.
6. An international agreement aimed at regulating trade in endangered species.
7. Changes in population or community structures at the boundaries of ecosystems.
11. A designated region where biodiversity is conserved and human activity is restricted.
12. A global inventory of the conservation status of species.
15. The complete loss of a species from Earth.