Question 1

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 2

The body temperature of ____________ varies directly with the environment.

Accepted Answer

A)  homeotherms 
B)  poikilotherms 
C)  psychrotherms 
D)  envirotherms 
E)  microtherms 
A)  homeotherms 
B)  poikilotherms 
C)  psychrotherms 
D)  envirotherms 
E)  microtherms

Question 3

Poikilothermic organisms can allocate less energy into biomass production compared to homeothermic organisms.

Accepted Answer

A) True 
 B)False

Question 4

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 5

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 6

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 7

Which of the following are mismatched?

Accepted Answer

A)  psychrophile: salt-loving microbe 
B)  thermophile: heat-loving microbe 
C)  poikilotherm: ectotherm 
D)  homeotherm: endotherm 
E)  None of the choices are correct. 
A)  psychrophile: salt-loving microbe 
B)  thermophile: heat-loving microbe 
C)  poikilotherm: ectotherm 
D)  homeotherm: endotherm 
E)  None of the choices are correct.

Question 8

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 9

The leaves of many desert plants are covered with a dense coating of white plant hairs.These hairs reduce their _____ gain.

Accepted Answer

A)  Hcd 
B)  Hcv 
C)  Hm 
D)  Hr 
E)  both Hcd and Hcv 
A)  Hcd 
B)  Hcv 
C)  Hm 
D)  Hr 
E)  both Hcd and Hcv

Question 10

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 11

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 12

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$\circ$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.

Question 13

Homeothermic organisms use a significant portion of their metabolic energy for endothermy.

Accepted Answer

A) True 
 B)False

Question 14

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 15

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.

Torpor and hibernation share all of the following except:

The body temperature of ____________ varies directly with the environment.

Poikilothermic organisms can allocate less energy into biomass production compared to homeothermic organisms.

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?

The thermal neutral zone of a homeothermic animal is

Which of the following are mismatched?

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

The leaves of many desert plants are covered with a dense coating of white plant hairs.These hairs reduce their _____ gain.

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

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

Homeothermic organisms use a significant portion of their metabolic energy for endothermy.

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

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

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

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

Exam 5: Temperature Relations

Torpor and hibernation share all of the following except:

The body temperature of ____________ varies directly with the environment.

Poikilothermic organisms can allocate less energy into biomass production compared to homeothermic organisms.

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?

The thermal neutral zone of a homeothermic animal is

Which of the following are mismatched?

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

The leaves of many desert plants are covered with a dense coating of white plant hairs.These hairs reduce their _____ gain.

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

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

Homeothermic organisms use a significant portion of their metabolic energy for endothermy.

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

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

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

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