Question 1

Allocation is not considered an evolutionary process because it involves only physiological changes, not genetic.

Accepted Answer

A) True 
 B)False

Question 2

Macroclimates and microclimates vary only slightly from one another in terms of temperature and moisture.

Accepted Answer

A) True 
 B)False

Question 3

Urban areas store more heat and have higher rates of evaporation than vegetated areas.

Accepted Answer

A) True 
 B)False

Question 4

Research suggests that the localized extinction of several species of land snails near Basal, Switzerland was due to

Accepted Answer

A)  genetic mutation. 
B)  toxic water source. 
C)  climatic warming. 
D)  exotic predator. 
E)  loss of habitat. 
A)  genetic mutation. 
B)  toxic water source. 
C)  climatic warming. 
D)  exotic predator. 
E)  loss of habitat.

Question 5

It is a very hot day, and you jump into a lake to cool off. What is the method of heat exchange?

Accepted Answer

A)  Conduction 
B)  Radiation 
C)  Evaporation 
D)  Convection 
E)  None of the choices are correct. 
A)  Conduction 
B)  Radiation 
C)  Evaporation 
D)  Convection 
E)  None of the choices are correct.

Question 6

The arctic flower, Dryas integrifolia, regulates the temperature of its reproductive structures by

Accepted Answer

A)  sun-tracking behavior. 
B)  increasing its metabolic rate. 
C)  dark petal coloration. 
D)  both sun-tracking behavior and increasing its metabolic rate. 
E)  both increasing its metabolic rate and dark petal coloration. 
A)  sun-tracking behavior. 
B)  increasing its metabolic rate. 
C)  dark petal coloration. 
D)  both sun-tracking behavior and increasing its metabolic rate. 
E)  both increasing its metabolic rate and dark petal coloration.

Question 7

The thermal neutral zone of a homeothermic animal is

Accepted Answer

A)  the temperature range at which conductive heat gain and convective heat loss are equal. 
B)  the temperature range at which psychrophilic and thermophilic enzymes are both operating. 
C)  the temperature range at which the metabolizable energy intake equals metabolizable energy output. 
D)  the temperature range over which the metabolic rate does not change. 
E)  None of the choices are correct. 
A)  the temperature range at which conductive heat gain and convective heat loss are equal. 
B)  the temperature range at which psychrophilic and thermophilic enzymes are both operating. 
C)  the temperature range at which the metabolizable energy intake equals metabolizable energy output. 
D)  the temperature range over which the metabolic rate does not change. 
E)  None of the choices are correct.

Question 8

Mammalian and avian aquatic endotherms use all of the following mechanisms to thermoregulate except

Accepted Answer

A)  fat 
B)  internal respiratory systems 
C)  fur or feathers 
D)  concurrent heat exchange 
E)  countercurrent heat exchange 
A)  fat 
B)  internal respiratory systems 
C)  fur or feathers 
D)  concurrent heat exchange 
E)  countercurrent heat exchange

Question 9

Animals that rely mainly on external sources of energy for regulating body temperature are called

Accepted Answer

A)  epitherms. 
B)  endotherms. 
C)  ectotherms. 
D)  peritherms. 
E)  intertherms. 
A)  epitherms. 
B)  endotherms. 
C)  ectotherms. 
D)  peritherms. 
E)  intertherms.

Question 10

The thermal stability of aquatic environments is a result of the ________.

Accepted Answer

A)  high specific heat of water 
B)  low latent heat of vaporization of water 
C)  low latent heat of fusion of water 
D)  All of the choices are correct. 
E)  both high specific heat of water and low latent heat of vaporization of water 
A)  high specific heat of water 
B)  low latent heat of vaporization of water 
C)  low latent heat of fusion of water 
D)  All of the choices are correct. 
E)  both high specific heat of water and low latent heat of vaporization of water

Question 11

When an organism becomes acclimated to a new environmental situation; it will generally involve

Accepted Answer

A)  physiological changes. 
B)  genetic changes. 
C)  sociological changes. 
D)  both physiological changes and genetic changes. 
E)  both genetic changes and sociological changes. 
A)  physiological changes. 
B)  genetic changes. 
C)  sociological changes. 
D)  both physiological changes and genetic changes. 
E)  both genetic changes and sociological changes.

Question 12

Getting up from your chair you realize that it is warm. What is the method of heat exchange?

Accepted Answer

A)  Conduction 
B)  Convection 
C)  Evaporation 
D)  Radiation 
E)  None of the choices are correct. 
A)  Conduction 
B)  Convection 
C)  Evaporation 
D)  Radiation 
E)  None of the choices are correct.

Question 13

How are the studies performed on rainbow trout (Oncorhynchus mykiss) and the moss Pleurozium schreberi and the desert shrub Atriplex lentiformis similar?

Accepted Answer

A)  Both studies examine the effects of microclimates. 
B)  Both studies support the concept that species operate within a narrow optimum temperature range. 
C)  Both studies are coupled to enzymatic activity. 
D)  Both studies examine the effects of microclimates and studies support the concept that species operate within a narrow optimum temperature range. 
E)  Both studies support the concept that species operate within a narrow optimum temperature range and are coupled to enzymatic activity. 
A)  Both studies examine the effects of microclimates. 
B)  Both studies support the concept that species operate within a narrow optimum temperature range. 
C)  Both studies are coupled to enzymatic activity. 
D)  Both studies examine the effects of microclimates and studies support the concept that species operate within a narrow optimum temperature range. 
E)  Both studies support the concept that species operate within a narrow optimum temperature range and are coupled to enzymatic activity.

Question 14

Torpor and hibernation share all of the following except

Accepted Answer

A)  duration. 
B)  decreased body temperature. 
C)  decreased metabolic rate. 
D)  decreased energy demand. 
E)  None of the choices are correct. 
A)  duration. 
B)  decreased body temperature. 
C)  decreased metabolic rate. 
D)  decreased energy demand. 
E)  None of the choices are correct.

Question 15

What component(s) is/are missing from the following equation for photosynthesis? (Select all that apply.) 6 CO2 + Light → C6H12O6 + 6 O2 + 6 H2O

Accepted Answer

A)  6 H20 
B)  Chlorophyll 
C)  12 O2 
D)  12 H2O 
E)  Sugar 
A)  6 H20 
B)  Chlorophyll 
C)  12 O2 
D)  12 H2O 
E)  Sugar

Question 16

According to Levins' principle of allocation, adaptation (higher fitness) to one environment results in reduced fitness in another environment.

Accepted Answer

A) True 
 B)False

Question 17

Metabolic heat (Hm) is the heat

Accepted Answer

A)  energy intake an organism must have for movement. 
B)  released during cellular respiration. 
C)  energy needed in order to undergo cellular respiration. 
D)  energy loss due to evaporation. 
E)  None of the choices are correct. 
A)  energy intake an organism must have for movement. 
B)  released during cellular respiration. 
C)  energy needed in order to undergo cellular respiration. 
D)  energy loss due to evaporation. 
E)  None of the choices are correct.

Question 18

The leaves of many desert plants are covered with a dense coating of white plant hairs. These hairs reduce their ________ gain.
A) Hcd
B) Hcv
C) Hm
D) Hr
E) both Hcd and Hcv

Accepted Answer

Question 19

Research indicates that the broad-tailed hummingbird will enter into torpor

Accepted Answer

A)  if a minimum surrounding air temperature is met. 
B)  during a summer drought. 
C)  if their body fat drops below 15%. 
D)  if darkness exceeds daylight hours. 
E)  if insufficient nectar is obtained. 
A)  if a minimum surrounding air temperature is met. 
B)  during a summer drought. 
C)  if their body fat drops below 15%. 
D)  if darkness exceeds daylight hours. 
E)  if insufficient nectar is obtained.

Question 20

You are a student working in the laboratory of a researcher who studies rainbow trout. A power outage over the weekend results in temperatures of over 25°C in the large pools which house the fish. When you arrive Monday morning you notice the fish are swimming on their sides or swimming in spirals. What conclusions can you draw?

Accepted Answer

A)  The fish are suffering thermal stress. 
B)  The fish are experiencing improper neuronal function. 
C)  The affinity of acetylcholinesterase for acetylcholine is reduced. 
D)  The temperature of the water is affecting fish enzyme shape and flexibility. 
E)  All of the choices are correct. 
A)  The fish are suffering thermal stress. 
B)  The fish are experiencing improper neuronal function. 
C)  The affinity of acetylcholinesterase for acetylcholine is reduced. 
D)  The temperature of the water is affecting fish enzyme shape and flexibility. 
E)  All of the choices are correct.

Exam 5: Temperature Relations

Allocation is not considered an evolutionary process because it involves only physiological changes, not genetic.

Macroclimates and microclimates vary only slightly from one another in terms of temperature and moisture.

Urban areas store more heat and have higher rates of evaporation than vegetated areas.

Research suggests that the localized extinction of several species of land snails near Basal, Switzerland was due to

It is a very hot day, and you jump into a lake to cool off. What is the method of heat exchange?

The arctic flower, Dryas integrifolia, regulates the temperature of its reproductive structures by

The thermal neutral zone of a homeothermic animal is

Mammalian and avian aquatic endotherms use all of the following mechanisms to thermoregulate except

Animals that rely mainly on external sources of energy for regulating body temperature are called

The thermal stability of aquatic environments is a result of the ________.

When an organism becomes acclimated to a new environmental situation; it will generally involve

Getting up from your chair you realize that it is warm. What is the method of heat exchange?

How are the studies performed on rainbow trout (Oncorhynchus mykiss) and the moss Pleurozium schreberi and the desert shrub Atriplex lentiformis similar?

Torpor and hibernation share all of the following except

What component(s) is/are missing from the following equation for photosynthesis? (Select all that apply.) 6 CO2 + Light → C6H12O6 + 6 O2 + 6 H2O

According to Levins' principle of allocation, adaptation (higher fitness) to one environment results in reduced fitness in another environment.

Metabolic heat (Hm) is the heat

The leaves of many desert plants are covered with a dense coating of white plant hairs. These hairs reduce their ________ gain. A) Hcd B) Hcv C) Hm D) Hr E) both Hcd and Hcv

Research indicates that the broad-tailed hummingbird will enter into torpor

Introduction to Ecology: Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Water Relations

Energy and Nutrient Relations

Social 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

What component(s) is/are missing from the following equation for photosynthesis? (Select all that apply.) 6 CO₂ + Light → C₆H₁₂O₆ + 6 O₂ + 6 H₂O

Metabolic heat (H_m) is the heat

The leaves of many desert plants are covered with a dense coating of white plant hairs. These hairs reduce their ________ gain. A) H_cd B) H_cv C) H_m D) H_r E) both H_cd and H_cv