Watershed
All of the abiotic and biotic items in an area is make up up an ____.
What is an ecosystem?
The 3 major watersheds in Virginia?
What are the Chesapeake Bay, North Carolina Sounds, and the Gulf of America/Mexico
The transition zone between dry land and bodies of water; covered with a shallow layer of water.
What is a wetland?
Do storm drains drain to water filtration plants or directly into the waterways?
Directly into the waterways
Which of the following lists ways that loose sediment can be controlled from getting into our waterways?
A. trash cans, mulch, sand, deforestation
B. mulch, silt fence, planting, drain protection
C. paving, silt fence, planting, sand
D. brush barriers, mulch, paving, deforestation
What is B?
Features in an ecosystem consist of the nonliving parts. Sunlight, water and soil are examples.
What is abiotic?
Virginia's largest watershed
Chesapeake Bay
Body of water where freshwater and saltwater meet and are mixed by tides.
What is an estuary?
Low oxygen is called?
What is hypoxia?
If the dissolved oxygen levels in the Chesapeake Bay decrease, then the life in the Chesapeake Bay would _____ (increase, decrease, or stay the same)
What is DECREASE?
Features in an ecosystem consist of the living parts or once living. Examples are birds, plants, mayflies...
What is biotic factors?
Separates one watershed from another.
What is a ridgelines or divides?
The largest estuary in the United States.
What is the Chesapeake Bay?
The type of oxygen in water?
What is Dissolved Oxygen?
The wetlands and estuaries act as a __________ for young marine animals to protect them from predators.
What is a nursery?
What is the difference between a vertebrate and invertebrate?
Vertebrate has a backbone (like us)
Invertebrate does not have a backbone
Smaller rivers or streams that flow into larger bodies of water.
What are tributaries?
Why are oysters important for the health of the Chesapeake Bay?
They filter 50 gallons of water a day.
What is turbidity?
How cloudy the water is.
What is the kind of water found in the Chesapeake Bay that contains both freshwater and saltwater?
What is brackish?
An area of land that drains/flows across or through to a particular place such as a river, bay, ocean, or lake.
What is a watershed?
List these major rivers of Virginia in order from north to south: James, Potomac, Rappahannock, York
What are the Potomac, Rappahannock, York, James?
What are 3 important features of wetlands?
What are …?
1) Habitats for plants and wildlife
2) Remove pollutants/filter water
3) Reduce flooding
4) Trap dirt and silt
This cause rapid algae growth, decreasing oxygen levels.
What are fertilizers?
The process where bodies of water get too many nutrients.
Eutrophication