C2

Question 1

Vertical zonation is based on ___

Answer 1

light penetration

Question 2

oceans has two main divisions

Answer 2

pelagic;
benthic

Question 3

the____, whole body region, and the___, bottom region

Answer 3

pelagic;
benthic

Question 4

HORIZONTAL
ZONATION in THE SEA (3)

Answer 4

Intertidal zone;
Neritic Zone;
Oceanic Zone

Question 5

• zone between high tides and low tides; also termed as the littoral zone

Answer 5

Intertidal zone

Question 6

• zone where water overlies the continental shelf

Answer 6

Neritic Zone

Question 7

• zone or region of open ocean beyond the continental shelf.

Answer 7

Oceanic Zone

Question 8

• It is also referred as the littoral zone but is termed normally as the seashore or foreshore.

Answer 8

Intertidal zone

Question 9

It is the zone between tidal marks, that is, above water during low tide and submerged during high tides.

Answer 9

Intertidal zone

Question 10

Organisms in the___ zone are adapted to an environment of harsh extremes.

Answer 10

intertidal

Question 11

A typical rocky shore can be divided into a___ zone or ___ zone (also known as the___ zone), which is above the spring high-tide line and is covered by water only during storms, and an___ zone, which lies between the high and low tidal extremes.

Answer 11

spray/ splash; supratidal;
intertidal

Question 12

3 regions of Intertidal Zone

Answer 12

high;
middle;
low

Question 13

• is only covered by the highest of the high tides, and spends much of its time as terrestrial habitat;
  borders on the splash zone (the region above the highest still-tide level, but which receives wave splash).

Answer 13

High Intertidal Zone

Question 14

• is regularly exposed and submerged by average tides

Answer 14

Middle Intertidal Zone

Question 15

• which borders on the shallow subtidal zone, is only exposed to air at the lowest of low tides and is primarily marine in character

Answer 15

Low Intertidal Zone

Question 16

On shores exposed to heavy wave action, the intertidal zone wil be influenced by___, as the spray from breaking waves wil extend the intertidal zone

Answer 16

waves

Question 17

On rocky shores, ____ form in depressions that fil with water as the tide rises.

Answer 17

tide pools

Question 18

region is mostly submerged; teeming with life; great biodiversity.

Answer 18

Low Intertidal Zone

Question 19

Creatures in this area can grow to larger sizes as well as marine vegetation can
grow in greater sizes when compared to the other 3 subregions.

Answer 19

Low Intertidal Zone

Question 20

VERTICAL ZONATIONS NI THE SEA (2)

Answer 20

photic zone;
aphotic zone

Question 21

• zone that is from the surface to about 200 m where there is a sharp gradient of illumination, temperature, and salinity

Answer 21

Photic Zone

Question 22

zone from 200m down the ocean where light cannot penetrate through; “dark zone”

Answer 22

aphotic zone

Question 23

Pelagic Zone Layers (5)

Answer 23

Epipelagic
Mesopelagic
Bathypelagic
Abyssopelagic
Hadalpelagic

Question 24

The surface layer of the ocean is known as the ___ zone and extends from the surface to 200 meters (656 feet).

Answer 24

Epipelagic zone

Question 25

It is also known as the sunlight zone because this is where most of the visible light exists.

Answer 25

Epipelagic zone

Question 26

this pelagic zone extends from 200 meters (656 feet) to 1000 meters (3281 feet).

Answer 26

Mesopelagic Zone

Question 27

The mesopelagic zone is sometimes referred to as the ___ or ___

Answer 27

twilight zone or the midwater zone.

Question 28

The light that penetrates to this depth is extremely faint. It is in this zone that we begin to see the twinkling lights of bioluminescent creatures. Agreat diversity of strange and bizarre fishes can be found here.

Answer 28

Mesopelagic zone

Question 29

The Bathypelagic is sometimes referred to as the ___ or ____

Answer 29

midnight zone or the dark zone.

Question 30

This zone extends from 1000 meters (3281 feet) down to 4000 meters
(13,124 feet). Here the only visible light is that produced by the creatures themselves.

Answer 30

Bathypelagic zone

Question 31

The water pressure at this depth is immense, reaching ___ pounds per square inch.
- In spite of the pressure, a surprisingly large number of creatures can be found here.___ can dive down ot this level in search of food. Most of the animals that live at these depths are ___ or ___ in color due to the lack of light.

Answer 31

Bathypelagic zone;
5,850;
sperm whales;
black or red

Question 32

The abyssopelagic zone is also known as the___ zone or simply as the___.

Answer 32

abyssal;
abyss

Question 33

this zone extends from 4000 meters (13,124 feet) to 6000 meters (19,686 feet).

Answer 33

Abyssopelagic Zone

Question 34

the name abyss comes from a Greek word meaning “___”.

Answer 34

no bottom

Question 35

The water temperature is near freezing, and there is no light at all.
- Very few creatures can be found at these crushing depths. Most of these are invertebrates such as ____ and ____

Answer 35

abyssopelagic zone;
basket stars and tiny squids.

Question 36

___ of the ocean floor lies within this zone. The deepest fish ever discovered was found in the ____ at a depth of ____

Answer 36

Three-quarters;
Puerto Rico Trench; 27,460 feet (8,372 meters).

Question 37

This layer extends from 6000 meters (19,686 feet) to the bottom of the deepest parts of the ocean.

Answer 37

Hadalpelagic zone

Question 38

These areas are mostly found in deep water trenches and canyons.

Answer 38

Hadalpelagic zone

Question 39

The deepest point in the ocean is located in the___ Trench of the coast of__ at ___

Answer 39

Mariana;
Japan;
35,797 feet (10,911 meters).

Question 40

The temperature of the water is just above freezing, and the pressure is an incredible ___ tons per square inch. That is approximately the weight of 48
Boeing 747 jets.
- In spite of the pressure and temperature, life can still be found here. Invertebrates such as___ and ____ can thrive at these depths

Answer 40

eight;
starfish and tube worms