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Aquatic Ecosystems

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

Aquatic means ______________________.

a)

having to do with water

b)

having to do with land

c)

having to do with air

d)

having to do with heat

2.

Which aquatic ecosystem has large bodies of saltwater that are divided by continents?

a)

oceans

b)

estuaries

c)

lakes

d)

ponds

3.

True or False: The temperature in the ocean is always the same.

a)

True

b)

False

4.

True or False: The amount of water in the ocean can change.

a)

True

b)

False

5.

The surface of the ocean receives ___________________________ sunlight.

a)

partial

b)

no

c)

full

d)

some

6.

Which aquatic ecosystem is found where the freshwater rivers meet the ocean?

a)

ocean

b)

estuary

c)

lake

d)

pond

7.

True or False: An estuary is saltier than the ocean.

a)

True

b)

False

8.

The mixture of saltwater and freshwater in an estuary is called __________________ water.

a)

brackish

b)

semi-salty

c)

partially-salty

d)

sorta-salty

9.

Which aquatic ecosystems are bodies of freshwater surrounded by land?

a)

oceans

b)

estuaries

c)

lakes

d)

ponds

10.

True or False: The temperature of the water in a pond usually stays the same.

a)

True

b)

False

11.

True or False: Lakes are usually shallower than ponds.

a)

True

b)

False