Chapter 3: Life In Water

Question 1

Over ___% of earths surface is covered by unevenly distributed water

Answer 1

70

Question 2

Oceans contain ____

Answer 2

97% of that water

Question 3

Les than ____% is fresh water in lakes and rivers

Answer 3

1%

Question 4

Most freshwater is found where

Answer 4

Glaciers and ice fields

Question 5

Reservoirs

Answer 5

Places where water is stored for some period of time

Question 6

Hydrologic cycle

Answer 6

Exchanges water along reservoirs

Question 7

What powers the hydrologic cycle?

Answer 7

Solar energy

Question 8

Turnover time

Answer 8

Time required for the entire volume of a particular reservoir to be renewed

Question 9

Aquatic environment biology corresponds to variations in:

Answer 9

Light
Temperature
Water movement
And chemical factors

Question 10

To live in water. Animals need to

Answer 10

Use gills

Store oxygen for long time

Transport oxygen to tissues

Question 11

Water flows from

Answer 11

Areas of low solute concentrations to those of higher solute concentration

Question 12

Oceans

Answer 12

Largest aquatic environments on the plant that occupy 70% of earths surface

Question 13

5 oceans

Answer 13

Arctic
Atlantic 
Indian
Pacific 
Southern

Question 14

Oceans can be divided into

Answer 14

Horizontal and vertical zones

Question 15

Horizontal zone

Answer 15

Littoral zone

Neritic zone

Oceanic zone

Question 16

Littoral zone

Answer 16

Shallow shoreline affected by tides

Question 17

Neritic zone

Answer 17

From coast to the margin of the continental shelf

Question 18

Oceanic zone

Answer 18

Beyond neritic

Question 19

Photosynthesis dependant organisms (photic zone)

Answer 19

Phytoplankton

Question 20

Zooplankton

Answer 20

Small animals that drift with same currents

Question 21

Kelp forest and coral gardens

Answer 21

Shallow waters along continents to support diverse life

Question 22

How tall can kelp grow?

Answer 22

40meters

Question 23

Kelp forests found where?

Answer 23

Nearer the equator

Question 24

Fringing reefs

Answer 24

Hug the shore of continent or island

Question 25

Barrier reefs

Answer 25

Stand between open sea and lagoon

Question 26

Atolls

Answer 26

Dot the tropical oceans

Question 27

Physical conditions Light

Answer 27

Light penetration allows support for photosynthesis

Question 28

Temperature for kelp

Answer 28

10 to 20 degrees

Question 29

River basin

Answer 29

Area of a continent that is drained by a river drainage network

Question 30

Rivers usually

Answer 30

Flow out to a sea or interior basin

Question 31

River continuum concept

Answer 31

Patterns of biological variation among the courses of river systems

Question 32

In shady headwaters, the main source of carbon is....

Answer 32

Coarse particulate organic matter from falling leaves

Question 33

Shredders break down the CPOM into....

Answer 33

Fine particulate organic matter (FPOM)

Question 34

Lakes are like

Answer 34

Small seas

Question 35

Wetland habitats come in two forms _____+______

Answer 35

Peat and those that do not

Question 36

Non pest forming wetlands

Answer 36

include costal marshes and mangroves

Question 37

Peat

Answer 37

Consists partially of decomposed plant material

Question 38

Two types of peats

Answer 38

Bogs and fens

Question 39

Bogs

Answer 39

Found in landscape depressions Precipitation is the only source of water

Question 40

Fens

Answer 40

Typically flat due to high water levels