Question 1

All of the following contribute to the movement of water in a terrestrial plant except:

Accepted Answer

A)  transpiration. 
B)  drying power of the sun. 
C)  hydrogen bonding. 
D)  water potential. 
E)  None of the choices are correct. 
A)  transpiration. 
B)  drying power of the sun. 
C)  hydrogen bonding. 
D)  water potential. 
E)  None of the choices are correct. E

Question 2

A cicada will use which of the following mechanisms in order to survive hot,dry conditions of the desert?

Accepted Answer

A)  nocturnal behavior 
B)  burrowing 
C)  torpor 
D)  sweating 
E)  All of the choices are correct. 
A)  nocturnal behavior 
B)  burrowing 
C)  torpor 
D)  sweating 
E)  All of the choices are correct. D

Question 3

Aquatic organisms whose ionic concentration of their body fluids exceeds that of their surroundings are

Accepted Answer

A)  hyperosmotic. 
B)  hypoosmotic. 
C)  isoosmotic. 
D)  osmotic. 
E)  None of the choices are correct. 
A)  hyperosmotic. 
B)  hypoosmotic. 
C)  isoosmotic. 
D)  osmotic. 
E)  None of the choices are correct. A

Question 4

The Namib Desert beetle,Onymacris unguicularis,obtains its water through positional maneuvers during foggy weather conditions.

Accepted Answer

A) True 
 B)False

Question 5

Sharks,rays,and skates retain urea and trimethylamine oxide (TMAO)within their blood allowing them to become only slightly hyperosmotic thereby reducing the cost of osmoregulation.

Accepted Answer

A) True 
 B)False

Question 6

If a person were to place a marine fish into a fresh water lake,water would diffuse

Accepted Answer

A)  up its concentration gradient and enter the fish. 
B)  down its concentration gradient and enter the fish. 
C)  down its concentration gradient and exit the fish. 
D)  up its concentration gradient and exit the fish. 
E)  None of the choices are correct. 
A)  up its concentration gradient and enter the fish. 
B)  down its concentration gradient and enter the fish. 
C)  down its concentration gradient and exit the fish. 
D)  up its concentration gradient and exit the fish. 
E)  None of the choices are correct.

Question 7

Desert kangaroo rats meet a portion of their water requirements through the metabolic processing of their food intake,but they still need to drink liquid water in order to survive.

Accepted Answer

A) True 
 B)False

Question 8

Bony marine fish

Accepted Answer

A)  drink sea water. 
B)  secrete Na+ into the surrounding water. 
C)  are hyperosmotic compared to the surrounding water. 
D)  both drink sea water and secrete Na+ into the surrounding water. 
E)  drink sea water, secrete Na+ into the surrounding water, and are hyperosmotic compared to the surrounding water. 
A)  drink sea water. 
B)  secrete Na+ into the surrounding water. 
C)  are hyperosmotic compared to the surrounding water. 
D)  both drink sea water and secrete Na+ into the surrounding water. 
E)  drink sea water, secrete Na+ into the surrounding water, and are hyperosmotic compared to the surrounding water.

Question 9

Water flows from the soil into the plant roots because the water potential of the soil is higher than the water potential of the roots.

Accepted Answer

A) True 
 B)False

Question 10

Water vapor is continuously added to the air by

Accepted Answer

A)  transpiration. 
B)  evaporation. 
C)  both transpiration and evaporation. 
D)  precipitation. 
E)  both evaporation and precipitation. 
A)  transpiration. 
B)  evaporation. 
C)  both transpiration and evaporation. 
D)  precipitation. 
E)  both evaporation and precipitation.

Question 11

Movement of water _____________ its concentration gradient is called ________________.

Accepted Answer

A)  down; diffusion 
B)  up; diffusion 
C)  down; active transport 
D)  up; osmosis 
E)  None of the choices are correct. 
A)  down; diffusion 
B)  up; diffusion 
C)  down; active transport 
D)  up; osmosis 
E)  None of the choices are correct.

Question 12

Metabolic water is the water that is released by the process of ___________________.

Accepted Answer

aerobic ce

Question 13

Aquatic organisms whose body fluids equal that of their surroundings are
Rev: 10_24_2014_QC_57280

Accepted Answer

A)  hyperosmotic. 
B)  isosmotic 
C)  hypoosmotic. 
D)  osmotic. 
E)  None of the choices are correct. 
A)  hyperosmotic. 
B)  isosmotic 
C)  hypoosmotic. 
D)  osmotic. 
E)  None of the choices are correct.

Question 14

In order to survive in the desert,a camel will employ which of the following mechanisms?

Accepted Answer

A)  face away from sun 
B)  store water in its hump 
C)  shed its fur 
D)  allow its body temperature to rise 
E)  All of the choices are correct. 
A)  face away from sun 
B)  store water in its hump 
C)  shed its fur 
D)  allow its body temperature to rise 
E)  All of the choices are correct.

Question 15

Water conservation mechanisms used by plants adapted to dry conditions include

Accepted Answer

A)  dropping leaves. 
B)  thick leaves. 
C)  fewer stomata. 
D)  dormancy. 
E)  All of the choices are correct. 
A)  dropping leaves. 
B)  thick leaves. 
C)  fewer stomata. 
D)  dormancy. 
E)  All of the choices are correct.

Question 16

The potential for evaporative water loss by terrestrial organisms
3-15-2013

Accepted Answer

A)  decreases with increased vapor pressure deficit. 
B)  increases with decreased vapor pressure deficit. 
C)  increases with increased vapor pressure deficit. 
D)  None of the choices are correct. 
A)  decreases with increased vapor pressure deficit. 
B)  increases with decreased vapor pressure deficit. 
C)  increases with increased vapor pressure deficit. 
D)  None of the choices are correct.

Question 17

A(n)___________ marine fish gains water through osmosis and loses salts through diffusion.

Accepted Answer

A)  hyperosmotic 
B)  hypoosmotic 
C)  isoosmotic 
D)  osmotic 
E)  None of the choices are correct. 
A)  hyperosmotic 
B)  hypoosmotic 
C)  isoosmotic 
D)  osmotic 
E)  None of the choices are correct.

Question 18

Most water loss in terrestrial animals is due to evaporation.

Accepted Answer

A) True 
 B)False

Question 19

Windy days will decrease a plant's evaporative water loss.

Accepted Answer

A) True 
 B)False

Question 20

Relative humidity = [ ___________________ / saturation water vapor density] x 100

Accepted Answer

The answer of Relative humidity = [ ___________________ / saturation...

Exam 6: Water Relations

All of the following contribute to the movement of water in a terrestrial plant except:

A cicada will use which of the following mechanisms in order to survive hot,dry conditions of the desert?

Aquatic organisms whose ionic concentration of their body fluids exceeds that of their surroundings are

The Namib Desert beetle,Onymacris unguicularis,obtains its water through positional maneuvers during foggy weather conditions.

Sharks,rays,and skates retain urea and trimethylamine oxide (TMAO)within their blood allowing them to become only slightly hyperosmotic thereby reducing the cost of osmoregulation.

If a person were to place a marine fish into a fresh water lake,water would diffuse

Desert kangaroo rats meet a portion of their water requirements through the metabolic processing of their food intake,but they still need to drink liquid water in order to survive.

Bony marine fish

Water flows from the soil into the plant roots because the water potential of the soil is higher than the water potential of the roots.

Water vapor is continuously added to the air by

Movement of water _____________ its concentration gradient is called ________________.

Metabolic water is the water that is released by the process of ___________________.

Aquatic organisms whose body fluids equal that of their surroundings are Rev: 10_24_2014_QC_57280

In order to survive in the desert,a camel will employ which of the following mechanisms?

Water conservation mechanisms used by plants adapted to dry conditions include

The potential for evaporative water loss by terrestrial organisms 3-15-2013

A(n)___________ marine fish gains water through osmosis and loses salts through diffusion.

Most water loss in terrestrial animals is due to evaporation.

Windy days will decrease a plant's evaporative water loss.

Relative humidity = [ ___________________ / saturation water vapor density] x 100

Introduction to Ecology Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Temperature Relations

Energy and Nutrient Relations

Socail Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Life Histories

Competition

Exploitative Interactions Predation, herbivory, parasitism, and Disease

Mutualism

Species Abundance and Diversity

Species Interactions and Community Structure

Primary Production and Energy Flow

Nutrient Cycling and Retention

Succession and Stability

Landscape Ecology

Geographic Ecology

Global Ecology

Filters

Movement of water _ its concentration gradient is called ____.