Exam

Question 1

Which chemicals are needed for organisms to stay alive in the ocean?

Answer 1

Carbon dioxide and oxygen

Question 3

Which of the following is a marine mammal?

Answer 3

A) shark
B) killer whale
C) polar bear
(D) both B and C)

Question 4

Nemo’s dad followed the ____________ current to find him

Answer 4

East Australian Current

Question 5

What organism does the food chain begin with

Answer 5

Producer Ex. Plants

Question 8

What is an example of a fusiform fish?

Answer 8

Eel

Question 9

What percentage of energy is passed from one trophic level to the next?

Answer 9

10%

Question 10

Commercial fishing is:

Answer 10

Fishing for profit

Question 12

One way we can map the ocean floor is by ___________

Answer 12

Multibeam sonar

Question 14

Algae blooms are caused by too much of which chemicals?

Answer 14

Nitrogen and phosphorus

Question 15

The largest biome on the planet

Answer 15

Marine

Question 17

With advances in technology, fisheries went from…

Answer 17

Not being able to catch anything to being able to catch everything

Question 18

Canadas fishing limits are

Answer 18

200 nautical miles

Question 19

The nostrils of a bony fish are made for

Answer 19

Smelling

Question 20

Nova Scotia’s top fishery is:

Answer 20

Lobster

Question 21

Aquaculture is:

Answer 21

A type of farming done in both fresh and salt water

Question 22

The fishers on wicked tuna are shining examples of:

Answer 22

Sustainable fisheries and responsible fishing

Question 23

Which is not a characteristic of a fish?

Answer 23

Has hair at some point in their lives

Question 24

Which of the following is not a use for bioluminescence?

Answer 24

A) finding or attracting prey
B) communication
C) decoration
D) defence against predators

Question 25

Surface currents … (effect of land masses)

Answer 25

Change direction when they hit a land mass

Question 26

This connects all oceans in the world:

Answer 26

A) ice burgs melting
B) gulf stream
C) great ocean conveyor belt

Question 27

What fraction os the total world catch is bycatch

Answer 27

1/3

Question 28

The theory of continental drift was largely ignored until the 1950’s because:

Answer 28

They finally discovered that convection was causing the plates to move.

Question 29

The oldest crust is:

Answer 29

Furthest from the mid-oceans ridge

Question 30

In the Southern Hemisphere, gyres spin:

Answer 30

Counterclockwise

Question 33

The marine biome covers ___% of the planet

Answer 33

71%

Question 35

Which of the following is NOT found in the ocean:

Answer 35

A) volcanoes B) canyons C) abyssal plain D) none of the above

Question 38

The pelvic fin helps the fish to...

Answer 38

Propel forward and steer

Question 39

An important question to ask when buying fish to make sure it is a sustainable seafood choice is:

Answer 39

How is was caught or farmed

Question 43

How much of the world’s water is found in the marine biome?

Answer 43

97%