Question 1

According to Kidron, Barzilay, and Sachs' research on the dune slopes of the Negev Desert, moss would most likely be found on _________ facing slopes due to _________.

Accepted Answer

A)  south; decreased evaporation rates 
B)  south; increased evaporation rates 
C)  north; increased evaporation rates 
D)  north; decreased evaporation rates 
E)  Moss does not grow in the Negev Desert. 
A)  south; decreased evaporation rates 
B)  south; increased evaporation rates 
C)  north; increased evaporation rates 
D)  north; decreased evaporation rates 
E)  Moss does not grow in the Negev Desert. D

Question 2

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. A

Question 3

Most insects use external sources of heat to achieve their operative temperature range. Heinrich's research on the sphinx moth (Manduca sexta) indicates that some insects can thermoregulate by using their flight muscles and

Accepted Answer

A)  using their blood as a coolant. 
B)  decreasing their metabolic rate. 
C)  possessing an internal respiratory system. 
D)  using a countercurrent heat exchange mechanism. 
E)  using a concurrent heat exchange mechanism. 
A)  using their blood as a coolant. 
B)  decreasing their metabolic rate. 
C)  possessing an internal respiratory system. 
D)  using a countercurrent heat exchange mechanism. 
E)  using a concurrent heat exchange mechanism. A

Question 4

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 5

An animal will use different ____________________ to maintain an optimum operative temperature range.

Accepted Answer

The answer of An animal will use different ____________________ to...

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

Which of the following survival mechanisms is/are best suited for intense heat and drought?

Accepted Answer

A)  hibernation 
B)  torpor 
C)  estivation 
D)  both hibernation and torpor 
E)  both torpor and estivation 
A)  hibernation 
B)  torpor 
C)  estivation 
D)  both hibernation and torpor 
E)  both torpor and estivation

Question 8

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 9

It's a hot summer day, and you begin to sweat. 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 10

Desert plants can prevent overheating by utilizing all of the following temperature regulating methods except:

Accepted Answer

A)  paraheliotropism. 
B)  decreasing rates of radiative heating. 
C)  decreasing conductive heating. 
D)  increasing evaporative cooling. 
E)  increasing convective cooling. 
A)  paraheliotropism. 
B)  decreasing rates of radiative heating. 
C)  decreasing conductive heating. 
D)  increasing evaporative cooling. 
E)  increasing convective cooling.

Question 11

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 12

Plants, unlike animals, cannot thermoregulate.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

Aquatic environments show less temperature variations than terrestrial environments.

Accepted Answer

A) True 
 B)False

Question 15

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 16

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 17

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 18

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 19

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 20

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

Accepted Answer

A) True 
 B)False

Exam 5: Temperature Relations

According to Kidron, Barzilay, and Sachs' research on the dune slopes of the Negev Desert, moss would most likely be found on _________ facing slopes due to _________.

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

Most insects use external sources of heat to achieve their operative temperature range. Heinrich's research on the sphinx moth (Manduca sexta) indicates that some insects can thermoregulate by using their flight muscles and

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

An animal will use different ____________________ to maintain an optimum operative temperature range.

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

Which of the following survival mechanisms is/are best suited for intense heat and drought?

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

It's a hot summer day, and you begin to sweat. What is the method of heat exchange?

Desert plants can prevent overheating by utilizing all of the following temperature regulating methods except:

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

Plants, unlike animals, cannot thermoregulate.

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

Aquatic environments show less temperature variations than terrestrial environments.

Research indicates that the broad tailed hummingbird will enter into torpor

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

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

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

Which of the following are mismatched?

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

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

According to Kidron, Barzilay, and Sachs' research on the dune slopes of the Negev Desert, moss would most likely be found on _ facing slopes due to _.