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Unformatted text preview: 7. (2 pts) What is the effect of turbidity in estuaries? Limits photosynthesis Limits filter feeding Often associated with higher nutrient loads in estuaries 8. (1 pt) Estuaries are not important nursery grounds, relative to pelagic waters (T /F). False 9. (1 pt) Stenohaline organisms occur throughout estuarine habitats because they can tolerate wide ranges of salinity (T / F). False 10. (2 pts) What is “bottom-up control” of productivity? (Two sentences max). Productivity is regulated by the basal trophic levels – photosynthetic activity limits biomass production, which in turn affects higher trophic levels. 11. (2 pts) Fiddler crabs have what 2 associations with bacteria? They act as a disturbance force They provide refuge for some bacteria species...
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This note was uploaded on 09/26/2010 for the course MNS 320 taught by Professor Staff during the Spring '08 term at University of Texas.
- Spring '08