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Aquatic Biomes

Total questions: 45

Worksheet time: 53mins

Name
Class
Date
1.
What aquatic biome is characterized by flowing fresh water?
a)
Lakes/Ponds
b)
Mangroves Swamps
c)
Rivers/Streams
d)
Coral Reefs
2.
Which of the following is considered a wetland?
a)
Swamps
b)
Marshes
c)
Bogs
d)
All of the above.
3.
Which of the following is the best definition for estuary?
a)
Narrow band of coastline that exists between high and low tide.
b)
Areas along the coast where fresh water from rivers mixes with salt water from the ocean.
c)
Flowing fresh water containing rapids.
d)
Freshwater aquatic areas that are saturated by water for at least part of the year.
4.
Which biome is pictured below?
a)
ocean
b)
freshwater
c)
coral reef 
d)
wetland
5.
In which biome do these plants (phytoplankton) not survive?
a)
freshwater
b)
coral reef
c)
ocean
d)
desert
6.
Which biome is pictured below?
a)
freshwater
b)
wetland
c)
coral reef
d)
ocean
7.
Which brackish watery biome has some areas that are salty, and some areas that are freshwater?
a)
freshwater
b)
coral reef
c)
estuary
d)
ocean
8.
Which watery biome has the highest concentration of salt?
a)
estuary
b)
wetland
c)
freshwater
d)
coral reef
9.
Which watery biome has the lowest concentration of salt?
a)
freshwater
b)
ocean
c)
coral reef
d)
wetland
10.
Which biome is pictured below?
a)
wetland
b)
coral reef
c)
ocean
d)
freshwater
11.
Which is NOT a freshwater ecosystem?
a)
a river
b)
a lake 
c)
an estuary
d)
a stream
12.
Estuary water should have 
a)
less salt than the ocean
b)
more salt than the ocean
c)
no salt
13.
Aquatic biomes cover roughly how much of the Earth's surface
a)
10%
b)
25%
c)
50%
d)
75%
14.
Regions of the ocean are commonly referred to as what type of systems
a)
Mountainous
b)
Estuary
c)
Marine
d)
Desert
15.
Fresh water referrers to which of the following
a)
oceans, rivers, lakes
b)
ponds, rivers, oceans
c)
lakes, ponds,  streams
d)
streams, lakes, oceans
16.

The measure of total salt content dissolved in water.

a)

Temperature

b)

Brininess

c)

Iodized

d)

Salinity

17.
A large ecosystem is called a ______
a)
Ecosystem
b)
Habitat
c)
Biome
d)
Niche
18.

What is the defining difference between the marine, freshwater, and estuary biomes?

a)

Salinity (dissolved salt)

b)

Sunlight

c)

Oxygen

d)

Amount of Water

19.

Which aquatic biome contains the greatest amount of biodiversity?

a)

Marine

b)

Freshwater

c)

Estuary

d)

Desert

20.

In a coral reef, are the corals living organisms?

a)

Yes

b)

No

21.

The coral reef is found in which of the other biomes?

a)

Freshwater

b)

Marine

c)

Estuary

d)

Rainforest

22.

Which of the following are functions of wetlands?

a)

absorb pollutants

b)

provide habitat for many animals

c)

control floods by acting as a sponge for excess water

d)

all of the above

23.

Which would NOT be a threat to ocean organisms?

a)

oil spills

b)

chemicals

c)

overfishing

d)

none of these

24.

These man-made structures are a threat to river ecosystems

a)

dams

b)

satellites

c)

solar panels

d)

none of these

25.
For separate ecosystems to be classified as the same type of biome, they must--
a)
have a deciduous forest.
b)
be located near the equator.
c)
have similar climates and communities.
d)
be at least one hundred acres.
26.
Weathering is the MOVING  of rocks.
a)
True (yes)
b)
False (no)
27.
MOVING small rocks to another place is 
a)
weathering
b)
erosion
c)
deposition
28.
Dropping off and Building new from pieces of rocks is 
a)
weathering
b)
erosion
c)
deposition
29.
Breaking rocks into smaller pieces is called
a)
weathering
b)
erosion
c)
deposition
30.
Weathering and erosion are the same thing.
a)
True (yes)
b)
False (no)
31.
Waves DROPPING sand on the beach is called?
a)
Weathering
b)
Erosion
c)
Deposition
32.
Water getting into cracks, freezing, and BREAKING  the rocks  is?
a)
Weathering
b)
Erosion
c)
Deposition
33.
Rain WASHING away and MOVING  soil from a hillside
a)
Weathering
b)
Erosion
c)
Deposition
34.
Flood waters moving soil from one location to another
a)
Weathering
b)
Erosion
c)
Deposition
35.
The process that breaks rocks on Earth is 
a)
Weathering
b)
Erosion
c)
Deposition
d)
Decomposition
36.
What is the process that picks up and moves weathered rocks?
a)
Deposition
b)
Landslide
c)
Weathering
d)
Erosion
37.
Water moves rock and soil from one place to another.
a)
Weathering
b)
Erosion
c)
Deposition
d)
Crop Rotation
38.
What is the wearing away or breaking down of rocks called?
a)
Deposition
b)
Erosion
c)
Glaciers
d)
Weathering
39.

What is weathering?

a)

fragments of weathered rock

b)

is the process by which wind, water, ice, or gravity transport weathered materials from one location to another

c)

occurs when eroded materials are dropped, or laid down

d)

is the main force behind sudden rock falls and landslides that can change the shape of a mountain.

40.

The process of sediment being dropped off in a new place is called

a)

Abrasion

b)

Erosion

c)

Deposition

d)

Weathering

41.

Sand dunes are example of

a)

dryness

b)

wind

c)

weathering

d)

deposition

42.

Rivers can help to break down mountains.

a)

True

b)

False

43.
An avalanche is an example of which process?
a)
Weathering
b)
Erosion
c)
Deposition
d)
Volcanic Eruption
44.
How does freezing water cause the weathering of rocks?  The freezing water—
a)
keeps the rocks in place.
b)
makes the rocks last longer.
c)
expands cracks and breaks rocks.
d)
causes rocks to fall in landslides.
45.
Layers of sediment forming at the bottom of the ocean floor is an example of
a)
Weathering
b)
Erosion
c)
Deposition
d)
Awesome Science

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