Unit 9

Question 1

Too much concrete can increase ______.

Answer 1

runoff

Question 2

The _________ zone is the area of an aquifer that contains both air and water between the spaces of the rocks.

Answer 2

unsaturated

Question 3

When the freshwater lens is broken and saltwater intrudes into the freshwater supply, it is called ______ ________.

Answer 3

salt intrusion

Question 4

_______ are defined as a stream that contains a large volume of water flowing through it.

Answer 4

Rivers

Question 5

Lakes that are formed from tectonic plates are called ______ lakes.

Answer 5

graben

Question 6

_____________ is a plant process that releases water into the atmosphere.

Answer 6

Evapotranspiration

Question 7

___________ is the process of toxins and other materials accumulating inside organisms as they are transferred through a food chain.

Answer 7

Biomagnification

Question 8

Carnivorous plants eat insects and other animals that can be found in _____.

Answer 8

bogs

Question 9

_________ is the seasonal mixing of top oxygen-rich lake layers and bottom nutrient-rich lake layers.

Answer 9

Turnover

Question 10

________ is a measure of how many holes are in a substance.

Answer 10

Porosity

Question 11

Some studies have shown that up to 80% of all wildlife is dependent upon _________ _______ to some degree.

Answer 11

riparian zones

Question 12

Lake __________ is most pronounced in summer.

Answer 12

stratification

Question 13

A stream that contains a small volume of water flowing through it is a _______.

Answer 13

creek

Question 14

________ lowers the levels of streams, which can cause fish to die.

Answer 14

Irrigation

Question 15

An _______ is an underground rock formation that is able to hold groundwater.

Answer 15

aquifer

Question 16

A region of land where all the water is drained into the same water body is a ____________.

Answer 16

watershed

Question 17

Shrubs, trees, reeds, sedges, and _________ ______ can all be found in the riparian zone.

Answer 17

emergent plants

Question 18

A stream that flows into a larger stream or other water body is a __________.

Answer 18

tributary

Question 19

_________ can cause algae blooms and deplete oxygen levels.

Answer 19

Fertilizing

Question 20

__________ is a measure of how well water can move through the pores, or holes, in a substance.

Answer 20

Permeability

Question 21

Most of the world’s drinking water comes from __________ located in aquifers.

Answer 21

groundwater

Question 22

Large riverbends eventually cut off by sedimentation are known as ________ lakes.

Answer 22

oxbow

Question 23

Lakes formed from volcanoes that may be in danger or releasing clouds of carbon dioxide that are potentially lethal are known as ________ lakes.

Answer 23

exploding

Question 24

Water bodies in which water flows or moves, such as streams or rivers are ______.

Answer 24

lotic

Question 25

By how _____ it is and by how big the _____ are, you can tell how old or young a river is.

Answer 25

wide, bends

Question 26

The shape and contours of watersheds are determined by ___________.

Answer 26

topography

Question 27

_________ lakes lack nutrients needed for plant growth, but are full of oxygen.

Answer 27

Oligotrophic

Question 28

________ are wetlands that occur where water is less than one meter deep.

Answer 28

Marshes

Question 29

______ are characterized by having open waters and large trees and shrubs rather than grasses.

Answer 29

Swamps

Question 30

The area of an aquifer in which water completely fills the spaces between the rocks is the ________ zone.

Answer 30

saturated

Question 31

Most lake organisms are found in the __________ layer.

Answer 31

epilimnion

Question 32

Lakes contain less than _____ of the earth's surface water, however they hold ____ of the earth's fresh liquid water.

Answer 32

0.01%, 98%

Question 33

What is true about fens?

Answer 33

- freshwater wetlands - grasses, sedges, and moss - contain peat -basic water

Question 34

What's an eutrophic lake?

Answer 34

- surrounded by fertile lands and are filled with many organisms - lack nutrients needed for plant growth, but full of oxygen -high in nutrients and low in oxygen

Question 35

Which are some plants found across all riparian zones?

Answer 35

- reeds and sedges - emergent plants - shrubs and trees

Question 36

Middle layer in stratification is _______.

Answer 36

- keeping others from mixing - thermocline. -rapid temperature and oxygen level drop

Question 37

What are bogs?

Answer 37

- a freshwater wetland that occurs where water does not drain well - occur in boreal forest or taiga and tundra -Decomposition rates are slow becauser they are cold and acidic

Question 38

The layer closest to the bottom of in stratification is _____.

Answer 38

- hypolimnion -cold, deep water layer of a lake that is low in oxygen and does not experience any mixing or upwelling

Question 39

In which seasons do lake turnovers happen?

Answer 39

fall and spring

Question 40

Advantages of an uncofined aquifer?

Answer 40

- Water enters faster -more surface area to recharge