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Marine Science 1st Semester Review

Total questions: 68

Worksheet time: 34mins

Name
Class
Date
1.

They study everything from the physics of ocean currents to the communication behavior in marine mammals.

a)

Oceanographer

b)

Marine Scientist

c)

Marine Biologist

d)

recreational scuba divers

2.

Which term refers to the entire body of the seaweed?

a)

blade

b)

pneumatocyst

c)

thallus

d)

stipe

3.

Seaweeds are not plants.

a)

True

b)

False

4.

Which of the following are multi-cellular photosynthetic algae that occur in a great variety of sizes and shapes

a)

Seaweeds

b)

Phytoplankton

c)

Sea grasses

d)

Mangroves

5.

Which of the following are large, flowering plants that grow partially submerged in low, muddy tropical/subtropical coastal areas.​

a)

Phytoplankton

b)

Sea grasses

c)

Seaweeds

d)

Mangroves

6.

the variable in the experiment that remain the same

a)

dependent variable

b)

independent variable

c)

control variable

d)

time

7.

How much of the earth's surface do oceans cover?

a)

60%

b)

70%

c)

80%

d)

90%

8.

The set of procedures by which scientists learn about the world

a)

the scientific steps

b)

the set of study

c)

quantitative data defined

d)

the scientific method

9.

The branch of science that deals with the physical and chemical properties and phenomena of the sea is called:

a)

oceanography

b)

marine biology

c)

ichthyology

d)

marine chemistry

10.

Storms, flooding, distribution of temperatures, and regulation of climate are all affected by:

a)

humans

b)

oceans

c)

aliens

d)

the moon

11.

Sound Navigation and Ranging, created during WWII

a)

scuba

b)

sonar

c)

ROV

d)

AUV

12.

satellites used to study expanses of the ocean surface

a)

Remote sensing technology

b)

Submersibles

c)

scuba

d)

sonar

13.

All of the following are examples of remote sensing except

a)

AUVs

b)

ROVs

c)

satellites

d)

scuba

14.

A researcher who studied the sea and all forms of life in water, developed scuba

a)

Jacques Cousteau

b)

Charles W. Thompson

c)

Edward Forbes

d)

James Cook

15.

was an English naturalist, geologist, and biologist, best known for his contributions to the science of evolution.

a)

Charles Darwin

b)

Charles W. Thompson

c)

Edward Forbes

d)

James Cook

16.

He served as the chief scientist on the Challenger expedition; his work there revolutionized oceanography and led to his knighthood.

a)

Charles Darwin

b)

Charles W. Thompson

c)

Edward Forbes

d)

James Cook

17.

the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.

a)

seafloor spreading

b)

subduction

c)

shear boundary

d)

continental drift

18.

the formation of new areas of oceanic crust, which occurs through the upwelling of magma at mid-ocean ridges and its subsequent outward movement on either side.

a)

seafloor spreading

b)

subduction

c)

shear boundary

d)

continental drift

19.

the slope between the outer edge of the continental shelf and the deep ocean floor.

a)

continental slope

b)

continental rise

c)

shelf break

d)

abyssal plain

20.

The gently sloping area at the base of the continental slope.

a)

continental slope

b)

continental rise

c)

shelf break

d)

abyssal plain

21.

The deep-sea floor.

a)

continental slope

b)

continental rise

c)

shelf break

d)

abyssal plain

22.

The shallow, gently sloping section of the continental margin that extends from the shore to the point where the slope gets steeper.

a)

continental shelf

b)

continental slope

c)

underwater shoreline

d)

continental rise

23.

a seamount with a flat top.

a)

guyot

b)

trench

c)

hydrothermal vent

d)

ocean ridge

24.

Long, narrow depressions on the seafloor. These chasms are the deepest parts of the ocean—and some of the deepest natural spots on Earth.

a)

guyot

b)

trench

c)

hydrothermal vent

d)

ocean ridge

25.

the tension of the surface film of a liquid caused by the attraction of the particles in the surface layer by the bulk of the liquid, which tends to minimize surface area.

a)

cohesion

b)

adhesion

c)

surface tension

d)

viscosity

26.

The weak chemical bonds which hold together the oxygen and hydrogen atoms in water.

a)

covalent bonds

b)

hydrogen bonds

c)

ionic bonds

d)

molecular bonds

27.

The smallest wind driven waves.

a)

capillary waves

b)

rogue waves

c)

tidal waves

d)

deep water waves

28.

When particles and sediments are transported down the beach toward the shore by the wave

a)

longshore transport

b)

wave cancellation

c)

rip current

d)

tidal bore

29.

Areas of rapid flowing water back towards the ocean.

a)

longshore transport

b)

wave cancellation

c)

rip current

d)

tidal bore

30.

a tide just after a new or full moon, when there is the greatest difference between high and low water.

a)

spring tide

b)

neap tide

c)

tidal bore

d)

diurnal tide

31.

a tide just after the first or third quarters of the moon when there is the least difference between high and low water.

a)

spring tide

b)

neap tide

c)

tidal bore

d)

diurnal tide

32.

Only one high and one low tide each day.

a)

diurnal

b)

semidiurnal

c)

mixed semidurnal

d)

mixed diurnal

33.

two nearly equal high and low tides each day.

a)

diurnal

b)

semidiurnal

c)

mixed semidurnal

d)

mixed diurnal

34.

two uneven tides a day, or one high and one low

a)

diurnal

b)

semidiurnal

c)

mixed semidurnal

d)

mixed diurnal

35.

Waves that form under the surface.

a)

internal wave

b)

standing wave

c)

capillary wave

d)

wave interference

36.

area of ocean or lake surface over which the wind blows in an essentially constant direction, thus generating waves.

a)

fetch

b)

wave interference

c)

trough

d)

amplitude

37.

a wind blowing steadily toward the equator from the northeast in the northern hemisphere or the southeast in the southern hemisphere, especially at sea.

a)

trade winds

b)

Westerlies

c)

Easterlies

d)

Eqatorials

38.

a wind blowing from the west.

a)

trade winds

b)

Westerlies

c)

Easterlies

d)

Eqatorials

39.

Surface currents driven by the wind that combine into huge, circular systems.

a)

oscillations

b)

gyres

c)

jet streams

d)

cyclones

40.

Cyclical changes in ocean circulation that affect climate.

a)

oscillations

b)

gyres

c)

jet streams

d)

cyclones

41.

Rotating storms that are generated over the warm waters of the tropics.

a)

oscillations

b)

gyres

c)

jet streams

d)

cyclones

42.

Currents driven by density and temperature.

a)

deep currents

b)

surface currents

c)

Gulf Stream

d)

oscillations

43.

The water at the ocean surface is moved primarily by winds that blow in certain patterns because of the Earth's spin and the Coriolis Effect.

a)

deep currents

b)

surface currents

c)

Gulf Stream

d)

oscillations

44.

an irregularly occurring and complex series of climatic changes affecting the equatorial Pacific region and beyond every few years, characterized by the appearance of unusually warm, nutrient-poor water off northern Peru and Ecuador, typically in late December.

a)

El Nino

b)

La Nina

c)

monsoon season

d)

Tsumani season

45.

a cooling of the water in the equatorial Pacific that occurs at irregular intervals and is associated with widespread changes in weather patterns, but less extensive and damaging in their effects.

a)

El Nino

b)

La Nina

c)

monsoon season

d)

Tsumani season

46.

A major portion of the free oxygen found in the ocean comes from…

a)

marine fungi

b)

athmosphere

c)

cyanobacteria

d)

marine viruses

47.

Red Tides (harmful algal blooms that produce toxins & kill fish) are caused by:

a)

Dinoflagellates

b)

diatoms

c)

ciliates

d)

lichen

48.

Algae (also referred to as Seaweed) are not considered plants because:

a)

They are multicellular

b)

They have other pigment colors

c)

They are chemosynthetic instead

d)

They don’t have roots, stems or leaves

49.

The outer shell of a diatom is composed of

a)

silica

b)

sand

c)

calcium

d)

dirt

50.

The phylum name of green algae is

a)

chlorophyta

b)

rhodophyta

c)

phaeophyta

d)

anthophyta

51.

Some seaweeds have a stem-like structure called the

a)

stipe

b)

blade

c)

holdfast

d)

roots

52.

Planktonic describes a drifting or floating organism, usually

a)

True

b)

False

53.

Which of the following is NOT a major building material of living organisms?

a)

carbohydrates

b)

proteins

c)

nucleic acid

d)

chemosynthesis

54.

Which of the following provides short term immediate energy?

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

55.

Which of the following macromolecules is responsible for making organism DNA

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

56.

Which Energy Conversion Process takes place at hydrothermal vents

a)

Photosynthesis

b)

Cellular Respiration

c)

Chemosynthesis

d)

Protein Synthesis

57.

Which Energy Conversion Process Requires Chemical Compounds such as Methane and Hydrogen Sulfide as an initial energy source?

a)

Photosynthesis

b)

Cellular Respiration

c)

Chemosynthesis

d)

Protein Synthesis

58.

Which Energy Conversion Process Converts Energy into Usable ATP?

a)

Photosynthesis

b)

Cellular Respiration

c)

Chemosynthesis

d)

Protein Synthesis

59.

What three factors most significantly impact primary productivity in the ocean?

a)

Nutrient Availability, Number of Algae, and Ocean Currents

b)

Solar Radiation, Ocean Currents, and Nutrient Availability

c)

Nutrient Availability, Light Transmission, and Solar Radiation

d)

Number of Algae, Solar Radiation, Light Transmission

60.

Why does upwelling increase primary productivity

a)

it brings in nutrients from other gyres

b)

it brings in warmer nutrients from the equatorial zone

c)

it brings up nutrients from colder deeper water

d)

All of these are correct

61.

Primary Producers

a)

Are Autotrophs

b)

Use either photosynthesis or chemosynthesis

c)

Provide all energy at the base of a food chain

d)

All of these

62.

Which type of organism is NOT correctly matched with their description

a)

Decomposer: Break Down Dead Material

b)

Autotroph: Producer

c)

Heterotroph: Consumer

d)

All of these are matched correctly

63.

Budding

a)

parent separates into two or more pieces & each piece forms new organism

b)

growth & development of embryo without fertilization by male

c)

small part of parent’s body grows into new organism

64.

Dissolved Organic Matter:

a)

Is produced from ruptured phytoplankton

b)

Is a nutrient source

c)

Is eaten by microbes

d)

All of these

65.

Have a shell composed of calcium carbonate

a)

Foraminiferan

b)

Dinoflagellate

c)

Diatom

d)

Radiolarian

66.

Which of the following produces energy for coral reefs in a symbiotic relationship?

a)

Zooxanthellae

b)

Diatom

c)

Radiolarians

d)

Cyanobacteria

67.

Which of the phytoplankton is bio-luminescent?

a)

Foraminiferan

b)

Dinoflagellate

c)

Diatom

d)

Radiolarian

68.

Kelp is a type of macroalgae that create rich forests with rich environments. Which type of macroalgae is it?

a)

green

b)

red

c)

brown

d)

none of these