what major ecological and economic services provide by marine system?

Species diversity is highest at what level of marine ecosystems? A) Open Sea Coastal Zone C) Benthic Zone D) Intertidal Zone

Briefly describe the following aquatic ecosystems:Freshwater -  Coral Reefs & Estuaries -  Open Ocean -

Should each community be held liable for the water quality of the aquatic ecosystems to which it is connected?

What major ecosystem and economic services areprovided by marine systems? What are the threemajor life zones in an ocean? Define coastal zoneand distinguish between estuaries and coastalwetlands. Explain why each has a high NPP. Explainthe ecological and economic importance of coastalmarshes, mangrove forests, and sea-grass beds.Explain how coral reefs are formed and how climatechange and ocean acidification are threatening them.Define open sea and describe its three major zones.List five human activities that pose major threats to marine systems and eight human activities thatthreaten coral reefs

Describe three kinds of benthic marine communities that use hard sub-strates and three that use soft substrates. What are the main physical factors that separate community types within each substrate category?

What do you think happens to this plastic? List a few examples of plastic impacting ocean ecosystems and provide links to your sources. answer

Discuss the unique features of the ocean ecosystems.

Why are estuaries irreplaceable?

What environmental effects do you for see on the air quality   and water bodies?