Watershed
All of the abiotic and biotic items in an area is make up up an ____.
What is an ecosystem?
The major watershed in Virginia drain into three regional watersheds.
What are the Chesapeake Bay, North Carolina Sounds, and the Gulf of Mexico
The transition zone between dry land and bodies of water; covered with a shallow layer of water.
What is a wetland?
Acid rain has decreased the pH levels of the river from a pH of 6.5 to 4. What is 4 considered on the pH scale, and what will happen to aquatic life?
What is ACID, life would decrease due to the water being too acidic?
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?
Abiotic features in an ecosystem consist of the nonliving parts. Three examples of abiotic factors can include __________.
What are sunlight, water, soil?
Answers can vary!
Virginia's largest watershed
Chesapeake Bay
Body of water where freshwater and saltwater meet and are mixed by tides.
What is an estuary?
The amount of dissolved salts in water.
What is salinity?
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?
Biotic features in an ecosystem consist of the living parts. Three examples of biotic factors can include _____.
What are plants, animals, humans.
Separates one watershed from another.
What is a divide?
The largest estuary in the United States.
What is the Chesapeake Bay?
The amount of oxygen in the 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?
The quality of water determines the ________ of an ecosystem.
What is health?
Smaller rivers or streams that flow into larger bodies of water.
What are tributaries?
The three types of wetlands and descriptions.
What is a
1) bog: wet and soggy consisting mainly of peat (decayed plant matter)
2) marsh: flooded grassland
3) swamp: flooded forest
The clarity (how clear it looks) of the water
What is turbidity?
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?
The major rivers of Virginia in order from north to south.
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
Cause rapid algae growth, decreasing oxygen levels.
What is fertilizers?
Create a t-chart of 3 abiotic and 3 biotic factors.
What is _____________?