Aquatic Biomes Quiz Review

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Presentation transcript:

Aquatic Biomes Quiz Review

Where are most marine organisms found?

Shallow, coastal waters

Why are pollutants in an estuary a problem?

The volume is so large they build up

Where are estuaries found?

Where fresh and salt water mix

Organisms location is determined by what 2 factors?

Nutrients and Sunlight

How are coal reefs made?

By tiny marine animals called polyps, they are calcium and limestone

What aquatic ecosystem has the highest salinity?

ocean

What are some threats to the ocean?

Overfishing, nutrient runoff, overfishing

Do wetlands increase runoff?

Why are estuaries productive?

They are constantly receiving fresh nutrients from rivers and oceans

What causes most the pollution in the us?

Industrial waste and sewage (EWWWW)

Know the difference between the littoral and benthic zone

Littoral is close to the shore, life is diverse, benthic zone water is cool and dark

What organism produces most the food? (the word means plant plankton)

Are mangrove swamps dominated by marsh grasses?

No, salt marshes are

What is an abiotic factor in an aquatic ecosystem?

What is the difference between aphotic and photic zone?

Aphotic does not receive light