Chapter 14-16 Study Guide

Front 1

Primary Sewage treatment

Back 1

Physically remove contaminants in settling tank or clarifies

Front 2

Secondary Sewage treatment

Back 2

Stirs and aerates wastewater so bacteria can naturally decompose the waste

Front 3

Septic system

Back 3

Separate solids and souls from the water in a septic tank, than the water travels downhill through gravel-filled trenches where pollutants can naturally decompose.

Front 4

Gray water

Back 4

The used water from showers and sinks and can be used in some place for watering

Front 5

Dead zones

Back 5

Very-low oxygen waters

Front 6

Watershed

Back 6

Area of land drained by river system and all of its tributaries make up

Front 7

Xeriscaping

Back 7

Landscape using plants adapted to arid condition

Front 8

Desalination

Back 8

Removal of salt from seawater and other water

Front 9

Salt-Marshes

Back 9

Occurs where the tides wash over gently sloping sandy or silty substrates

Front 10

Mangrove

Back 10

Trees that are salt tolerant, with roots that grow upward to gather oxygen and others that grow down to support treelike stilts

Front 11

Coral Reefs

Back 11

A mass of calcium carbonate composed of the shells of tiny animals called coral

Front 12

Zooanthellae

Back 12

Form symbiotic relationships with algae

Front 13

Purse seining

Back 13

Deploys large nets around schools of fish at the surface

Front 14

Drift netting

Back 14

The use of long nets that span large expanses of water and target species that traverse open water in large school

Front 15

Longline

Back 15

Setting out extremely long lines (up to 80km long) with hundreds or thousands of baited hooks spaced between their length

Front 16

Trawling

Back 16

Dragging weighted cone-shaped nets though the pelagic zone

Front 17

Turbidity

Back 17

How much stuff is stirred up in the water

Front 18

Floodplain

Back 18

Areas near a rivers course that are flooded periodically

Front 19

Point pollution

Back 19

Discrete locations that release water pollution (lead pipes)

Front 20

Nonpoint pollution

Back 20

Arise from multiple inputs over large areas (farms)

Front 21

Wetlands

Back 21

Systems where the souls is saturated with water, often containing standing shallow water.

Front 22

Dams

Back 22

Any obstruction placed in a river or steam go block it’s flow

Front 23

Levees

Back 23

Built along banks of waters to hold waters in main channels