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6.7 Ecosystems and Watersheds

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

(MUST ANSWER ALL TO BE CORRECT)


Algae, salmon, bacteria, snails, and moss are examples of __ in an ecosystem.

a)

biotic factors (plant or animal)

b)

abiotic factors

2.

Which of the following are ABIOTIC factors?


(Identify ALL that are correct!)

a)

landforms

b)

geology

c)

fish

d)

weather

e)

topography

3.

The living community and all nonliving factors that affect is called a/an __.

a)

estuary

b)

wetlands

c)

watershed

d)

ecosystem

4.

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.)

a)

James, Potomac, Rappahannock, York

b)

York, Rappahannock, Potomac, York

c)

Potomac, Rappahannock, York, James

d)

Rappahannock, Potomac, James, York

5.

Which MAJOR watershed does most of Virginia's waterways drain towards?

a)

Chesapeake Bay

b)

Mississippi River

c)

Gulf of Mexico

d)

North Carolina Sound

6.

The MAJOR watershed located in the bottom right corner--where Virginia Beach is located and closest to Atlantic Ocean--is called __.

a)

North Carolina Sound

b)

Chesapeake Bay

c)

Mississippi River/Gulf of Mexico

7.

What word describes the actions of smaller streams and rivers that feed into the main rivers in a watershed?

a)

tributaries

b)

ecosystem

c)

estuary

d)

wetlands

8.

The area between dry lands and bodies of water that help filter pollutants, prevent flooding, and control erosion are called __.

a)

tributaries

b)

watershed

c)

wetlands

d)

estuary

9.

Which of the following are roles of wetlands? (Select ALL that are CORRECT.)

a)

Filter pollutants

b)

prevent flooding

c)

control erosion

d)

harmful to the ecosystem

10.

The largest estuary in the US is the __.

a)

Atlantic Ocean

b)

Chesapeake Bay

c)

James River

d)

Indian Ocean

11.

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?

a)

river system

b)

estuary

c)

watershed

d)

abiotic

12.

Where is water most likely to be contaminated?

a)

in a forest

b)

ocean bottom

c)

by a dam

d)

near a cattle farm

13.

How healthy the water is?

a)

water quantity

b)

water quality

c)

tasty water

d)

yummy water

14.

pH, turbidity, temperature, dissolved oxygen are tests for __.

a)

water quality monitoring

b)

quality of soil

c)

quality of air

d)

contamination in air

15.

What is the largest watershed in VA?

a)

James River

b)

Potomac River

c)

Jackson River

d)

Chickahominy River