OCEAN

Question 1

3 major oceans

Answer 1

Pacific, Atlantic, Indian

Question 2

Largest ocean basin that extends to the Antarctic to the Arctic dea

Answer 2

Pacific Ocean

Question 3

Second largest basin. Extends nearly from pole to pole.

Answer 3

Atlantic Ocean

Question 4

Smallest of the three. Mostly confined to the Southern Hemisphere.

Answer 4

Indian Ocean

Question 5

Undersea trenches that roo through the seafloor.

Answer 5

Mariana Trench

Question 6

Where is Mariana Trench located and how deep is it?

Answer 6

• Western Pacific Ocean
• 10, 000 m

Question 7

What are the horizontal zones of ocean

Answer 7

1. Littoral (intertidal) Zone
2. Neritic Zone
3. Oceanic Zone

Question 8

The shallowest shoreline

Answer 8

Littoral (intertidal) Zone

Question 9

Under the influence of the rise and fall of the tides.

Answer 9

Littoral (intertidal) zone

Question 10

Extends from the coast to the margin of the continental shelf.

Answer 10

Neritic Zone

Question 11

Beyond the continental shelf.

Answer 11

Oceanic Zone

Question 12

What are the vertical zone of the ocean

Answer 12

1. Epipelagic Zone
2. Mesopelagic Zone
3. Bathypelagic Zone
4. Abyssal Zone
5. Hadal Zone

Question 13

Surface layer of the ocean

Answer 13

Epipelagic Zone

Question 14

Zone that extends to a depth of 200

Answer 14

Epipelagic Zone

Question 15

Extends from 200 to 1000 m

Answer 15

Mesopelagic Zone

Question 16

Extends from 1 000 to 4 000 m

Answer 16

Bathypelagic Zone

Question 17

The layer from 4 000 to 6 000 m

Answer 17

Abyssal Zone

Question 18

The deepest parts of the ocean

Answer 18

Hadal Zone

Question 19

2 habitats in the ocean

Answer 19

1. Benthic
2. Pelagic

Question 20

Habitats on the bottom of the of the ocean and other aquatic environments

Answer 20

Benthic

Question 21

Organisms off the bottom regardless of depth

Answer 21

Pelagic

Question 22

80% of the solar energy striking the ocean is absorbed in the first _____

Answer 22

10 m

Question 23

______ & ______ is absorbed in the first few meters

Answer 23

Ultraviolet, Infrared Light

Question 24

Are more absorbed more rapidly than blue light.

Answer 24

Red, orange, yellow, green

Question 25

The wavelength that most likely scattered back to our eyes

Answer 25

Blue

Question 26

3 oceanic zone of light

Answer 26

1. Sunlight (euphotic) Zone 2. Twilight (dysphotic) Zone 3. Midnight (aphotic) Zone

Question 27

Sunlight rarely penetrates beyond this zone

Answer 27

Sunlight (euphotic) Zone

Question 28

Sunlight decreases rapidly with depth. Photosynthesis is not possible.

Answer 28

Twilight (dysphotic) Zone

Question 29

Sunlight does not penetrate at all. Darkness.

Answer 29

Midnight (aphotic) Zone

Question 30

Environment is bright with all the colors of the rainbow.

Answer 30

First 10 m

Question 31

Below 50-60 m

Answer 31

Blue Twilight

Question 32

Equal to the intensity of starlight on a clear night.

Answer 32

600 m

Question 33

Deep black water. Only light is the bioluminescent fishes/invertebrates.

Answer 33

3, 400 m

Question 34

A layer of water through which temperature changes rapidly with depth

Answer 34

Thermocline

Question 35

Layering of the water column by temperature. It is a permanent feature of the tropical oceans.

Answer 35

Thermal Stratification

Question 36

What are the water movements present in ocean?

Answer 36

1. Prevailing winds 2. Oceanic current 3. Gyres 4. Upwelling

Question 37

Drive currents that transport nutrients, oxygen, and heat.

Answer 37

Prevailing winds

Question 38

Moderate climates. Fertilizers the surface waters off continents. Stimulate photosynthesis. Promote gene flow aming marine organisms.

Answer 38

Oceanic currents

Question 39

Wind-driven surface currents that sweep across vast expanses pf open ocean to create great circulation systems.

Answer 39

Gyres

Question 40

Movement of deep water to the surface. Wind blow surface water offshore, allowing cold water to rise to the surface.

Answer 40

Upwelling

Question 41

The amount of salt dissolves in water.

Answer 41

Salinity

Question 42

Occur where precipitation exceeds evaporation.

Answer 42

Lowest salinities

Question 43

Occur where precipitation is low and evaporation is high.

Answer 43

Highest salinities

Question 44

Receives large input of freshwater. Local salinities of 7% or lower

Answer 44

Baltic Sea

Question 45

Surrounded by deserts. Surface salinities of over 40%.

Answer 45

Red Sea

Question 46

Is present in far lower concentrations. Varies much more in the ocean than in aerial environments.

Answer 46

Oxygen

Question 47

Highest near the ocean surface. Decreases progressively with depth.

Answer 47

Oxygen Concentration

Question 48

Photosynthetic organisms are limited to the brightly lighted ________

Answer 48

Epipelagic zone

Question 49

The entire biological communities on the seafloor are nourished by this

Answer 49

Chemosynthetic Organisms

Question 50

Marine environment supports ____ and ____ are endemic.

Answer 50

28 13

Question 51

What are the human influences?

Answer 51

1. Killing of whales 2. Harvesting of krill 3. Overfishing 4. Chemical pollution 5. Garbage patches

Question 52

Small planktonic crustacean that serve as the great whale's flood supply.

Answer 52

Krill

Question 53

Has led to the great declines in commercially important fish stocks.

Answer 53

Overfishing

Question 54

_____ are accumulating in deep sea sediments.

Answer 54

Chemical Pollutants

Question 55

Resistant to decomposition

Answer 55

Plastic debris

Question 56

Plastic debris has build up in the central portions of the oceans im extensive,"______"

Answer 56

Garbage patches