Worksheets6.7 Ecosystems and Watersheds
Total questions: 15
Worksheet time: 8mins
(MUST ANSWER ALL TO BE CORRECT)
Algae, salmon, bacteria, snails, and moss are examples of __ in an ecosystem.
biotic factors (plant or animal)
abiotic factors
Which of the following are ABIOTIC factors?
(Identify ALL that are correct!)
landforms
geology
fish
weather
topography
The living community and all nonliving factors that affect is called a/an __.
estuary
wetlands
watershed
ecosystem
What is the correct ORDER of the 4 VA majors rivers that drain into the Chesapeake Bay? (Starting with most northern river--one up near DC.)
James, Potomac, Rappahannock, York
York, Rappahannock, Potomac, York
Potomac, Rappahannock, York, James
Rappahannock, Potomac, James, York
Which MAJOR watershed does most of Virginia's waterways drain towards?
Chesapeake Bay
Mississippi River
Gulf of Mexico
North Carolina Sound
The MAJOR watershed located in the bottom right corner--where Virginia Beach is located and closest to Atlantic Ocean--is called __.
North Carolina Sound
Chesapeake Bay
Mississippi River/Gulf of Mexico
What word describes the actions of smaller streams and rivers that feed into the main rivers in a watershed?
tributaries
ecosystem
estuary
wetlands
The area between dry lands and bodies of water that help filter pollutants, prevent flooding, and control erosion are called __.
tributaries
watershed
wetlands
estuary
Which of the following are roles of wetlands? (Select ALL that are CORRECT.)
Filter pollutants
prevent flooding
control erosion
harmful to the ecosystem
The largest estuary in the US is the __.
Atlantic Ocean
Chesapeake Bay
James River
Indian Ocean
Which body of water is protected from storms by barrier islands and contain a mixture of fresh water from rivers and salt water from the ocean?
river system
estuary
watershed
abiotic
Where is water most likely to be contaminated?
in a forest
ocean bottom
by a dam
near a cattle farm
How healthy the water is?
water quantity
water quality
tasty water
yummy water
pH, turbidity, temperature, dissolved oxygen are tests for __.
water quality monitoring
quality of soil
quality of air
contamination in air
What is the largest watershed in VA?
James River
Potomac River
Jackson River
Chickahominy River
