Question 1

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. D

Question 2

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. A

Question 3

In general,reptiles are considered to be a/an?

Accepted Answer

A) poikilotherm 
B) homeotherm 
C) endotherm 
D) heterotherm 
E) two of the choices are correct 
A) poikilotherm 
B) homeotherm 
C) endotherm 
D) heterotherm 
E) two of the choices are correct A

Question 4

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 5

Aquatic environments show less temperature variations than terrestrial environments.

Accepted Answer

A) True 
 B)False

Question 6

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 7

Bluefin tuna and mackerel sharks are considered to be endothermic fish because their

Accepted Answer

A) lateral swim muscles heat cool venous blood,thereby elevating their body temperature above the surrounding water temperature. 
B) abdominal swim muscles heat cool venous blood,thereby matching their body temperature to the surrounding water temperature. 
C) lateral swim muscles cool warm arterial blood,thereby elevating their body temperature above the surrounding water temperature. 
D) lateral swim muscles heat cool arterial blood,thereby elevating their body temperature above the surrounding water temperature. 
E) lateral swim muscles heat cool arterial blood,thereby matching their body temperature to the surrounding water temperature. 
A) lateral swim muscles heat cool venous blood,thereby elevating their body temperature above the surrounding water temperature. 
B) abdominal swim muscles heat cool venous blood,thereby matching their body temperature to the surrounding water temperature. 
C) lateral swim muscles cool warm arterial blood,thereby elevating their body temperature above the surrounding water temperature. 
D) lateral swim muscles heat cool arterial blood,thereby elevating their body temperature above the surrounding water temperature. 
E) lateral swim muscles heat cool arterial blood,thereby matching their body temperature to the surrounding water temperature.

Question 8

Dolphins use __________________ to conserve body heat.

Accepted Answer

A) concurrent heat exchange 
B) countercurrent heat exchange 
C) thoracic muscles 
D) diet 
E) All of the choices are correct. 
A) concurrent heat exchange 
B) countercurrent heat exchange 
C) thoracic muscles 
D) diet 
E) All of the choices are correct.

Question 9

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 10

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.

Question 11

The arctic and alpine cushion plants and the Camnula grasshopper both use __________________ to aid in thermoregulation.

Accepted Answer

A) countercurrent heat exchange mechanisms 
B) endothermic methods 
C) increased water retention 
D) torpor 
E) dark pigmentation 
A) countercurrent heat exchange mechanisms 
B) endothermic methods 
C) increased water retention 
D) torpor 
E) dark pigmentation

Question 12

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 13

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 14

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

Accepted Answer

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

Question 15

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 16

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 17

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 18

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 19

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 20

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.

Exam 5: Temperature Relations

The thermal neutral zone of a homeothermic animal is

Which of the following are mismatched?

In general,reptiles are considered to be a/an?

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

Aquatic environments show less temperature variations than terrestrial environments.

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

Bluefin tuna and mackerel sharks are considered to be endothermic fish because their

Dolphins use __________________ to conserve body heat.

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

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 _________.

The arctic and alpine cushion plants and the Camnula grasshopper both use __________________ to aid in thermoregulation.

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

Metabolic heat (Hm)is the heat

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

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

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

Torpor and hibernation share all of the following except:

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

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

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

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 _.

Metabolic heat (H_m)is the heat