Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Aquatic Environments

Total questions: 24

Worksheet time: 24mins

Name
Class
Date
1.

What is a wetland?

a)

An area where water covers the soil

b)

An ocean

c)

A puddle of mud

2.

True or false, wetlands can be both freshwater and saltwater?

a)

False

b)

True

3.
Wetlands are important because they are a ___________ for animals.
a)
hang out
b)
nest
c)
home
4.
What lives in a wetland?
a)
dogs, cats and horses
b)
frogs, snakes and ducks
c)
cows, crabs and gulls
5.

Which environment do you see in the picture?

a)

sea environment

b)

mangrove environment

c)

coral reef environment

d)

pond environment

6.

Which Mangroves are found in Jamaica?

a)

Black Mangroves

b)

Green Mangroves

c)

Red Mangroves

d)

White Mangroves

7.

How can Mangroves stand still in the waves?

a)

By their roots

b)

By their stem

c)

By their leaves

8.

Which is a mangrove?

a)
b)
c)
d)
9.
Brackish means that the water is
a)
only salt water
b)
a mix of fresh and salt water
c)
only fresh water
10.

Why are Mangroves important?

a)

Mangroves protect shorelines from bad weather

b)

Mangroves are home to a large variety of fishes

c)

Mangroves protect the coral reefs.

11.

Which is NOT TRUE about mangroves?

a)

Muddy

b)

Shallow

c)

Trees/bushes

d)

Deep

12.

Which animals live in the mangrove?

a)

crab

b)

shrimp

c)

shells

d)

fishes

e)

octopus

13.

marine ecosystem

a)

temperature

b)

coral reef

c)

pond

d)

benthos

e)

nekton

14.

freshwater ecosystem

a)

temperature

b)

coral reef

c)

pond

d)

benthos

e)

nekton

15.

Swamps are commonly found on

a)

rocky hillsides.

b)

flat, poorly drained land.

c)

mountain peaks

d)

bottoms of ponds or lakes

16.

What are the two main types of freshwater wetlands?

a)

lakes and ponds

b)

rivers and streams

c)

littoral zones and benthic zones

d)

marshes and swamps

17.

Which ecosystem has the highest level of salinity?

a)

salt marsh

b)

brackish marsh

c)

river

d)

pond

18.
Which is NOT a freshwater ecosystem?
a)
a river
b)
a lake 
c)
an estuary
d)
a stream
19.
A wetland that contains a mixture of fresh water and salt water is called
a)
an estuary
b)
a stream
c)
a river
d)
a pond
20.
An ecosystem where water covers the soil or water is near the surface of the soil is called
a)
a desert
b)
an ocean
c)
an estuary
d)
a wetland
21.
Estuaries form where 
a)
a lake evaporates
b)
a river meets the sea
c)
a river becomes dammed
d)
a wetland becomes filled in
22.
Estuary water should have 
a)
less salt than the ocean
b)
more salt than the ocean
c)
no salt
23.
Plankton are NOT....
a)
top carnivores of pond food webs
b)
tiny, microscopic organisms
c)
easy prey for other aquatic life
d)
producers
24.

Marine ecosystems and Estuaries are the SAME. Is this statement True or False?

a)

True

b)

False