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Unit #2 Exam Review Quiz. Grade:. «grade». Aquatic Science. Subject:. «date». Date:. 1. Bioaccumulation can be defined as:. A. The amount of energy that is retained with each increasing level of the food chain is only 10%. B.

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slide1

Unit #2 Exam Review Quiz

Grade:

«grade»

Aquatic Science

Subject:

«date»

Date:

slide2

1

Bioaccumulation can be defined as:

A

The amount of energy that is retained with each increasing level of the food chain is only 10%

B

90% of the energy from the lower-levels of the food chain is l ost to the environment as thermal & other forms of energy

C

A substance building up in the tissues of organisms and increasing in toxicity up the food chain

D

A substance building up in the tissues of higher-level organisms & causing a toxic trickle-down effect on lower-level organisms

slide3

2

Which of the following is NOT a reason for seafare

prior to the 18th century

A

military

B

exploration/map making

C

trade

D

conquest

slide4

3

Ancient fish hooks and spear date back to

A

1 million BC

B

5000 BC

C

1000 BC

D

50 BC

slide5

4

The most famous deep sea submersible is named

A

Alvin

B

Beebe

C

Pichard

D

Deep Sea #5

slide6

5

What percent of aquatic species are considered benthic?

A

5%

B

25%

C

60%

D

98%

slide7

6

Ferdinand Magellan is known for

A

founding the first school of navigation

B

attempting to find a west-ward route to India

C

attempting to find a east-ward route to India

D

being the first to circumnavigate the world

slide8

7

Plastic is very damaging to an aquatic environment

for all of the following reasons EXCEPT:

A

It is not readily biodegradable

B

it sinks to the bottom and embeds in the substrate

C

its has high tensile strength

D

it can entangle organisms/be mistaken for food and consumed

slide9

8

The largest ocean garbage patch can be found

in the:

A

Atlantic Ocean

B

Pacific Ocean

C

Arctic Ocean

D

Indian Ocean

slide10

9

Which of the following is FALSE when considering coastal wetlands:

A

They are ideal locations for larger predators to hunt

B

They can be found in low & mid latitudes

C

The water is considered brackish

D

They are defined as saturated areas that border coastal environments

slide11

10

An organism that survives by being part of the deep scattering layer (DSL) would most likely be found in which of the following zones:

A

Hadal

B

Epipelagic

C

Euphotic

D

Bathypelagic

slide12

11

All of the following are known to have a negative bioaccumulating affect EXCEPT:

A

Nitrogenous byproducts from fertilizers (TAN)

B

Mercury (Hg)

C

Polychlorinated biphenyl

D

Dichlorodiphenyltrichloroethane (DDT)

slide13

12

You collect a sample of plankton while you are travelling. You keep this jar of plankton near a

window for a week & then put it in a closet for

another week. The water quality is healthy through

both weeks. The sample dies off while in the closet. From this basic experiment you can hypothesize

that the plankton was:

A

phytoplankton

B

zooplankton

C

chemoautotrophic

slide14

13

A community is made up of

A

a group of populations

B

a group of individuals

C

a group of organisms

D

a group of biomes

slide15

14

All of the following zones are aphotic EXCEPT:

A

hadal

B

mesopelagic

C

bathypelagic

D

abysopelagic

slide16

15

Which of the following is planktonic

A

a barnacle

B

a jellyfish

C

a dolphin

D

a sea star

slide17

16

Asterias rubens is the scientific name for the

common starfish. These can be found in many

coastal waters. These organisms must be __________________ in order to survive in these waters.

A

eurythermal & stenohaline

B

eurythermal & euryhaline

C

stenothermal & stenohaline

D

stenothermal & euryhaline

slide18

17

The first people known to have traveled across

thousands of kilometers of open ocean were the

A

phoenicians

B

polynesians

C

greeks

D

egyptians

slide19

18

Minamata disease is associated with which toxic element:

A

Cadmium

B

Lead

C

Petroleum

D

Mercury

slide20

19

Eratosthenes accurately determined the

circumference of the Earth to be

A

40,000 kilometers

B

40,000 miles

C

400,000 kilometers

D

400,000 miles

slide21

20

Many squid are considered merobenthic.

This means:

A

they spend a portion of their life as bottom dwellers

B

they spend all of their life as floaters

C

they spend a portion of their life as floaters

D

they spend all of their life as bottom dwellers

slide22

21

Generally, which of the following is TRUE about phytoplankton & zooplankton

A

Zooplankton require sunlight and stable temperatures

B

Phytoplankton can be found deep within the aphotic zone of the ocean

C

Zooplankon are the primary source of nutrition for phytoplankton

D

Phytoplankton are smaller than zooplankton

slide23

22

Orcinus is the _________ for a killer whale.

A

Kingdom

B

Phylum

C

Genus

D

Species

slide24

23

Who was the first to land on/discover North America

A

Christopher Columbus

B

Leif Eriksson

C

Eric the Red

D

Ferdinand Magellan

slide25

24

In which of the following zones would you most likely find a fish with very large, but functional eyes:

A

epipelagic (euphotic)

B

mesopelagic (disphotic)

C

abyssal (aphotic)

D

bathylpelagic (aphotic)

slide26

25

Which of the following pictures demonstrates

counter-shading

B

A

D

C

slide27

26

Which of the following is an example of an

organism using chromatophores:

B

A

D

C

slide28

27

All of the following are adaptations for

plankton dealing with the viscosity of

water EXCEPT:

A

Warm-water copepods have many appendages

B

Many plankton have a small surface area to volume ration in order to maximize the buoyant force of water

C

Many plankton produce a small amount of oil to help keep themselves lower in the water column

D

Cold-water copepods are more hydrodynamic

slide29

28

Pelagic organisms can be:

A

nektonic & planktonic

B

benthic & planktonic

C

benthic & nektonic

D

planktonic & chromatophores

slide30

29

The majority of life within an aquatic system

can be found in:

A

the epipelagic

B

the benthic

C

the euphotic

D

the bathylpelagic

slide31

30

Which of the following is FALSE when

considering petroleum-based pollution:

A

Petroleum is biodegradable, therefore is not considered to be highly damaging in comparison to other pollutants

B

Petroleum will stay on the surface of water

C

Petroleum spills mainly effect low-level creatures, such as phytoplankton, that rely on sunlight for survival

D

Petroleum spills have a longer-lasting effect on fully aquatic organisms such as fish than semi-aquatic organisms such as gulls & terns

slide32

31

When considering the salt content, marlin are __________ when compared to their

environment.

A

hypotonic

B

hypertonic

C

isotonic

D

osmotic

slide33

32

In 1915, Alfred Wegener developed the theory of _________

A

continental drift/plate tectonics

B

the magnetic poles of the Earth

C

Air/Water Streams

D

tides being controlled by the gravitational pull

of the moon

slide34

33

If you depressurize too quickly, which element

will form gas bubbles in your blood

A

hydrogen

B

oxygen

C

nitrogen

D

carbon dioxide

slide35

34

When considering their fresh water environment,

perch (fresh water fish) are __________ when compared to their environment.

A

hypotonic

B

hypertonic

C

isotonic

D

osmotic

slide36

35

The deep scattering layer is defined by…

A

The migrations of organisms through the depths to avoid salinity

B

The migrations of organisms through the depths to avoid sunlight

C

The migrations of organisms along the Great Ocean Conveyer

D

The scattering of organisms throughout the aphotic water column