ES 7.03 Quiz

An estuary is

• Exclusively freshwater

• Exclusively saltwater

• An area where fresh and salt water mix

• None of these

The largest estuary in the US

• Chesapeake Bay

• Hudson River Valley

• Gulf of Mexico

• Mississippi River Delta

Which of these is an invasive species in Virginia?

• Blue crab

• Lobster

• Zebra Mussel

• Oyster

What two elements are major sources of nutrient pollution in our oceans and bays?

• Oxygen & Nitrogen

• Nitrogen & Carbon Dioxide

• Phosphorous & Oxygen

• Phosphorous & Nitrogen

____________ can pick up pollution such as fertilizer, animal manure, oil, or litter and deposit it into the bay.

• Runoff

• Sediments

• Oxygen

• All of these

When excess nutrients are added to waterways.

• Sedimentation

• Eutrophication

• Pollution

• None of these

The Chesapeake Bay is an example of an MPA (Marine Protected Area)

• True

• False

Marine organisms can mistake plastic trash for food.

• True

• False