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Final Exam Marine Science

Total questions: 50

Worksheet time: 31mins

Name
Class
Date
1.
What is the biggest ecological benefit of coral reefs?
a)
tourism
b)
seafood
c)
habitat
d)
protection of shoreline
2.
Where is the Great Barrier Reef located?
a)
Puerto Rico
b)
Florida
c)
Indonisia
d)
Australia
3.
What is the biggest economic benefit of coral reefs?
a)
filtration
b)
habitat
c)
tourism
d)
protection of shoreline
4.
What is the largest reef in the world?
a)
Belize Barrier Reef
b)
Great Barrier Reef
c)
Aldabra Atoll
d)
The Palancar Reef
5.
What are the two types of corals?
a)
plant/animal
b)
spring/fall
c)
fringing/barrier
d)
hard/soft
6.
What is the main abiotic factor that will determine the location of a reef?
a)
light
b)
depth
c)
salinity
d)
temperature
7.
Coral larvae become a __________.
a)
polyp
b)
hard coral
c)
soft coral
d)
reef
8.
What is the hard structure that provides the foundation for the reef?
a)
limestone
b)
sandstone
c)
concrete
d)
granite
9.

What are coral reefs often compared to?

a)

forests

b)

gardens

c)

rainforests

d)

deserts

10.

What percentage of the ocean's sea life lives in coral reefs?

a)

10 -15%

b)

20%

c)

45%

d)

25%

11.

Coral reefs are endangered by

a)

climate change

b)

overfishing

c)

pollution

d)

all of the above

12.

What is one way scientists trying to save the coral reefs?

a)

by growing coral and planting it in the ocean

b)

by restricting access to reefs

c)

by adding new species of fish to the reefs

d)

by adding fertilizer to the coral reefs

13.

Which of the following is NOT a type of coral reef?

a)

Fringing reefs

b)

Barrier reefs

c)

Atolls

d)

Crustacean

14.
Coral reefs are found all over the oceans.
a)
true
b)
false
15.
Why does coral require clear water to grow?
a)
For chemosynthesis
b)
For predation
c)
For autotroph
d)
For photosynthesis
16.
What is a tiny individual coral animal?
a)
Polyps
b)
Crevice
c)
Atolls
d)
Erosion
17.
Who causes the most damage to coral reefs?
a)
Whales
b)
Fish
c)
Boats
d)
Humans
18.

Coral polyps secrete what mineral?

a)

carbon calciate

b)

calcium carbonate

c)

calcium hydroxide

d)

carbon hydroxide

19.

What is coral bleaching?

a)

when the coral gets sick and loses its color

b)

when the coral expels the zooxanthellae because it is too hot and dies

c)

the zooxanthellae turns white

d)

when the coral turns white during spawning

20.

What lives inside of hard corals?

a)

black sea urchins

b)

red algae

c)

dinoflagellates (zooxanthellae)

d)

zooplankton

21.

Does the Coral Reef have high biodiversity?

a)

True

b)

False

22.
Why does most of the ocean life live in or at least visit the ocean surface?  
a)
that is where the majority of the oxygen and sunlight occurs
b)
that is where chemo-synthesis occurs and therefore more life
c)
the water pressure is higher there and is more enjoyable
d)
the temperatures are colder and most animals need cooler temperatures
23.
Animal members of the plankton community.
a)
Phytoplankton
b)
Meroplankton
c)
Holoplankton
d)
Zooplankton
24.

What type of marine life is free-swimming in the open ocean?

a)

nekton

b)

plankton

c)

krypton

d)

benthos

25.

A whale can be described as

a)

Plankton

b)

Pelagic

c)

Benthos

d)

Nekton

26.

Which lives at the top of the ocean, or as far down as the sun can penetrate?

a)

Nekton

b)

Plankton

c)

Benthos

27.
This classification dwells on the ocean floor
a)
Benthos
b)
Nektons
c)
Phytoplankton
d)
Zooplankton
28.

Upwellings...

a)

bring humans for fishing.

b)

draw in marine organisms for feeding.

c)

increase productivity.

d)

All of these.

29.
A result of upwelling is a/an _________ in nutrients in the water.
a)
Decrease
b)
Increase
c)
No Change
30.

Why is upwelling important?

a)

Upwelling regulates ocean temperature

b)

Upwelling provides nutrient rich water that sustains life

c)

Upwelling controls the tides

d)

Upwelling helps sailors to navigate the seas

31.

What are the 2 types of aquatic biomes?

a)

rivers and streams

b)

lakes and oceans

c)

marine and fresh water

d)

marine and oceanic

32.

The kind of wetland formed where saltwater and fresh water meet is called

a)

brujeria

b)

estuary

c)

swamp

d)

marsh

33.
Which of these is NOT a freshwater biome?
a)
coral reef
b)
flowing water
c)
wetlands
d)
ponds and lakes
34.
Which of these is NOT a marine biome?
a)
open ocean
b)
deep ocean floor
c)
seashore
d)
wetlands
35.

_________ is the amount of salt dissolved in water.

a)

Temperature

b)

Salinity

c)

Nutrients

d)

Pressure

36.
Which biome is pictured below?
a)
ocean
b)
freshwater
c)
coral reef 
d)
wetland
37.

Wetland dominated by small trees and woody shrubs

a)

benthic zone

b)

glade

c)

marsh

d)

swamp

38.

As rivers flow from their headwaters in the mountains down to flatter areas they become

a)

more narrow, faster, warmer

b)

faster, more narrow, colder

c)

wider, warmer, slower

d)

wider, colder, faster

39.

These man-made structures are a threat to river ecosystems

a)

dams

b)

satellites

c)

solar panels

d)

none of these

40.

The area of an aquatic ecosystem that is near shallow, near shore, & has an abundance of sunlight & wildlife

a)

benthic zone

b)

littoral zone

c)

limnetic zone

d)

sunlight zone

41.

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

42.

What aquatic biome is characterized by flowing fresh water?

a)

Lakes/Ponds

b)

Mangroves Swamps

c)

Rivers/Streams

d)

Coral Reefs

43.

What is the single most important difference between the marine, freshwater, and estuary biomes?

a)

Salinity (dissolved salt)

b)

Sunlight

c)

Oxygen

d)

Amount of Water

44.

Adaptations in the deep ocean might include

a)

the ability for plants to excrete salt water

b)

the ability to hold on to rocks against strong current

c)

strong swimming abilities

d)

glowing bacteria to signal in the dark

45.

Adaptations in the river biome might include the ability to ___________

a)

ability to produce energy from sulfur

b)

excrete salt water

c)

resist a strong current

d)

conserve oxygen by not moving

46.
What is the primary source of energy that generates most ocean waves?
a)
earthquakes
b)
wind
c)
asteriods falling in the ocean
d)
volcanic eruptions
47.
Which of the following is not a cause of a tsunami? 
a)
Volcanic eruption
b)
Tornado
c)
Underwater earthquakes
d)
Landslide
48.
Stronger winds create __________ waves.
a)
larger
b)
smaller
49.
A wave can make a leaf bob up and down on the water, but it cannot move the leaf toward the shore. This is because waves only transfer ________
a)
A. matter  
b)
B. energy  
c)
C. media 
d)
D. crests
50.
What should a person do if caught in a rip current?
a)
swim directly back to the shore
b)
swim parallel to the shore

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