1. What are environmental functions of wetlands?
2. Why are estuaries productive ecosystems? Nutrient-Rich?
3. What causes most coastal pollution in the U.S.?
4. Where do swamps often occur?
5. What are the characteristics of a river at its headwaters? base of mountain?
6. What are general threats to ocean ecosystems?
7. Types of lake organisms depends upon.....
8. Characteristics and organims found in the different zones of a lake (littoral, open, benthic)
9. What is a characteristic of a wetland?
10. What creates coral reefs? What does the organism secrete to create the shell?
11. What are two main types of freshwater wetlands?
12. What characteristics of mangroove swamps and salt marshes?
13. What has higher salinity salt march or brackish marsh?
14. What is an endangered species? threatened species? extant species?
15. Estimated number of organisms to be on Earth.....
16. What are the types of biodiversity?
17. Where in the world do the greatest amount of extinctions occur?
18. HOw many species will become extinct between 1900-2100?
19. What is the Endangered Species Act? What are its key points?
20. What is poaching?
21. What are several reasons to protect biodiversity?
22. What are ways to preserve biodiversity?
23. What is a germ plasm?
24. What animals are most likely to become extinct?
those with small populations
or
those that migrate or need special habitats
25. What are biological hotspots? Where are they located?
26. Eutrophic lake vs. oligotrophic