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Estuaries Review Quiz

Total questions: 10

Worksheet time: 11mins

Name
Class
Date
1.

In an estuary, where is the freshwater coming from?

a)

river

b)

ocean

c)

wetland

d)

pool

2.

In an estuary, where does the saltwater come from?

a)

river

b)

lake

c)

ocean

d)

pond

3.

Which of the following explains why estuaries are important?

a)

because they provide our drinking water

b)

because they help supply water to wells and springs

c)

because they are great habitats to a variety of fish

4.

Which agency is responsible for monitoring water quality in an estuary?

a)

FDA

b)

EPA

c)

CDC

5.

How are plants beneficial to estuaries?

a)

they absorb chemical runoff from entering estuaries

b)

they produce pollution in estuaries

c)

they control the temp of the water

d)

they add to the turbidity of the water

6.

Process that causes algal blooms that depletes most of the oxygen in the water?

a)

runoff

b)

eutrophication

c)

water cycle

d)

turbidity

7.

Which of the following is an event that can contribute to the population of fish in an estuary to die off? Mark all that apply.

a)

predators

b)

pollution

c)

too much sunlight

d)

cutting down plants

e)

too many plants

8.

Which of the following is a way that could help minimize or reduce pollution in an estuary?

a)

plant more plants

b)

minimizing usage of fertilizers

c)

stop overfishing

d)

all of these are ways

9.

The largest estuary in NC.

a)

Cape Fear River

b)

Hudson Bay

c)

Atlantic Ocean

d)

Pamlico Sound

10.

Why are estuaries great nurseries for many organisms?

a)

they provide a good habitat for animals to grow and hatch in before they migrate to sea

b)

they have colder temperature water that most animals love

c)

they have a high turbidity which organisms need

d)

they have a high salinity which most organisms like