RIVER AND STREAMS

Question 1

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

Answer 1

River Basin

Question 2

River basins are separated from each other by this

Answer 2

Watershed

Question 3

Where the pools, runs, ruffles and rapids occur along

Answer 3

Lengths

Question 4

The river can also be divided by this, into wetted and active channels

Answer 4

Widths

Question 5

Outside the active channel. It is a transition between the aquatic environment of the river and the upland terrestrial environment

Answer 5

Riparian Zone

Question 6

River and streams can be divided vertically by

Answer 6

Water column and Benthic Zone

Question 7

Includes the surface of the bottom substrate and the interior of the substrate

Answer 7

Benthic Zone

Question 8

A zone of transition between area of water flow and groundwater

Answer 8

Hyporheic Zone

Question 9

Area containing groundwater, below the hyporheic zone

Answer 9

Phreatic Zone

Question 10

Vertical Zones

Answer 10

1. Water columns
2. Benthic Zone
3. Hyporheic Zone
4. Phreatic Zone

Question 11

Streams and rivers are classified by where they occur in a drainage network by this

Answer 11

Stream order

Question 12

Im this system, headwater streams are ____

Answer 12

First Order Streams

Question 13

In this system, ______ are first orders

Answer 13

Headwater streams

Question 14

A stream formed by joining of two first orders

Answer 14

Second Order Streams

Question 15

Results from the joining of two second order streams

Answer 15

Third Order Streams

Question 16

Coldest river temperature

Answer 16

0°C

Question 17

Warmest rivers

Answer 17

30°C

Question 18

Deliver food, remove wastes, renew oxygen.

Answer 18

River Currents

Question 19

Strongly affects the size, shape and behavior of the river organisms

Answer 19

River currents

Question 20

Amount of water arrived by ruver

Answer 20

River discharge

Question 21

Have highest salinities

Answer 21

Desert Rivers

Question 22

Supports one of the most diverse temperate fish faunas

Answer 22

Mississippi River Basin

Question 23

Home to about 300 fish species

Answer 23

Mississippi River Basin

Question 24

Contain 669 species of fish, 558 are found nowhere else

Answer 24

Congo River Basin

Question 25

Most impressive array of freshwater fish

Answer 25

Amazon River Basin

Question 26

Have 2000 species. Approximately 10% of all the known fish species on the planet

Answer 26

Amazon River Basin

Question 27

Human Influences

Answer 27

1. Building on Reservoir
2. River Thames

Question 28

Eliminate the natural flow regime after temperatures. Impedes the movements of migratory fish.

Answer 28

Reservoir

Question 29

Most severe human impacts

Answer 29

Building on Reservoir

Question 30

In England, polluted in the middle ages but recovered

Answer 30

River Thames