Question 1

In the evolution of bony fish,

Accepted Answer

A)  modern freshwater bony fish originated from marine bony fish ancestors. 
B)  modern marine bony fish originated from freshwater bony ancestors. 
C)  modern marine bony fish had marine bony ancestors and modern freshwater bony fish had freshwater bony ancestors. 
D)  modern marine bony fish has bony freshwater ancestors and modern freshwater bony fish had marine bony fish ancestors. 
E)  None of the choices are correct. 
A)  modern freshwater bony fish originated from marine bony fish ancestors. 
B)  modern marine bony fish originated from freshwater bony ancestors. 
C)  modern marine bony fish had marine bony ancestors and modern freshwater bony fish had freshwater bony ancestors. 
D)  modern marine bony fish has bony freshwater ancestors and modern freshwater bony fish had marine bony fish ancestors. 
E)  None of the choices are correct. B

Question 2

A large mammal,such as an eland,can cool itself physiologically in a hot,arid environment when the environmental temperature exceeds the body temperature by

Accepted Answer

A)  evaporative cooling (sweating and panting). 
B)  voiding urine. 
C)  drinking water. 
D)  nonshivering thermogenesis. 
E)  augmented muscular activity. 
A)  evaporative cooling (sweating and panting). 
B)  voiding urine. 
C)  drinking water. 
D)  nonshivering thermogenesis. 
E)  augmented muscular activity. A

Question 3

In Amoeba and Paramecium,water balance is achieved by a tiny,spherical organ called the ______ ______.

Accepted Answer

contractile vacuole

Question 4

In a cold environment,many species of birds and mammals maintain homeothermy by decreasing conductance and

Accepted Answer

A)  increasing heat production. 
B)  allowing the extremities to operate at low temperatures. 
C)  augmented muscle activity (e.g., muscular thermogenesis). 
D)  All of the choices are correct 
E)  None of the choices are correct 
A)  increasing heat production. 
B)  allowing the extremities to operate at low temperatures. 
C)  augmented muscle activity (e.g., muscular thermogenesis). 
D)  All of the choices are correct 
E)  None of the choices are correct

Question 5

Ciliated flame cells propel fluids through the excretory system in

Accepted Answer

A)  earthworms. 
B)  insects. 
C)  humans. 
D)  planarians. 
E)  marine fish. 
A)  earthworms. 
B)  insects. 
C)  humans. 
D)  planarians. 
E)  marine fish.

Question 6

Briefly describe how marine invertebrates meet and solve the problems of salt and water balance.If many invertebrates can survive in marine environments,why can't insects?

Accepted Answer

Marine invertebrates have developed vari

Question 7

Hummingbirds are able to reduce energy expenditure when inactive by

Accepted Answer

A)  hibernation. 
B)  decreasing insulation. 
C)  becoming torpid while asleep. 
D)  employing nonshivering thermogenesis. 
E)  sweating and panting. 
A)  hibernation. 
B)  decreasing insulation. 
C)  becoming torpid while asleep. 
D)  employing nonshivering thermogenesis. 
E)  sweating and panting.

Question 8

An animal having a body temperature that is determined solely by the temperature of the environment is said to be

Accepted Answer

A)  poikilothermic. 
B)  homeothermic. 
C)  ectothermic. 
D)  endothermic. 
E)  None of the choices are correct 
A)  poikilothermic. 
B)  homeothermic. 
C)  ectothermic. 
D)  endothermic. 
E)  None of the choices are correct

Question 9

The amount of water retained and the final concentration of the urine depend on the permeability of the walls of the _______ ______.

Accepted Answer

The answer of The amount of water retained and the...

Question 10

The ancestral kidney of vertebrates is the __________,a name that means "first kidney."

Accepted Answer

The answer of The ancestral kidney of vertebrates is the...

Question 11

In the metanephridium,the tubule is open at both ends and fluids are swept in through a funnel-like _____________.

Accepted Answer

The answer of In the metanephridium,the tubule is open at...

Question 12

Sharks solve their water balance problems because their blood carries large amounts of trimethylamine oxide and ____________.

Accepted Answer

The answer of Sharks solve their water balance problems because...

Question 13

What kind of osmoregulatory problems were encountered by the ancestors of marine bony fishes (that apparently evolved in freshwater ecosystems)?

Accepted Answer

The ancestors of marine bony fishes that

Question 14

You notice that some flour beetles have been living in a kitchen canister of "dry" flour for a year.As animals,beetles must have water for internal cellular metabolism,hemolymph,etc.How are they probably getting their water?

Accepted Answer

A)  By flying to a water source at night 
B)  By cannibalism 
C)  By breakdown of sugar into water and carbon dioxide 
D)  They are probably 100% efficient and can continually recycle the water in their body 
E)  None of the choices are correct. 
A)  By flying to a water source at night 
B)  By cannibalism 
C)  By breakdown of sugar into water and carbon dioxide 
D)  They are probably 100% efficient and can continually recycle the water in their body 
E)  None of the choices are correct.

Question 15

Which hormone promotes the secretion of antidiuretic hormone?

Accepted Answer

A)  Aldosterone 
B)  Angiotensin 
C)  Renin 
D)  Androgen 
E)  None of the choices are correct 
A)  Aldosterone 
B)  Angiotensin 
C)  Renin 
D)  Androgen 
E)  None of the choices are correct

Question 16

What is the difference between an osmotic regulator and a hyperosmotic regulator?

Accepted Answer

An osmotic regulator, also known as an o

Question 17

The transport maximum is the upper limit to the amount of a substance that can be

Accepted Answer

A)  dissolved in the plasma before it will filter across the glomerulus. 
B)  reabsorbed back into the bloodstream. 
C)  eliminated in the urine per hour. 
D)  withdrawn from the blood per hour. 
E)  cycled through the kidney per day. 
A)  dissolved in the plasma before it will filter across the glomerulus. 
B)  reabsorbed back into the bloodstream. 
C)  eliminated in the urine per hour. 
D)  withdrawn from the blood per hour. 
E)  cycled through the kidney per day.

Question 18

Briefly describe the function and role of the following: aldosterone,renin,angiotensin,and antidiuretic hormone.

Accepted Answer

Aldosterone is a hormone produced by the

Question 19

Animals incapable of regulating their body fluid osmotic pressure are referred to as _____ ______.

Accepted Answer

The answer of Animals incapable of regulating their body fluid...

Question 20

What is the name of the tube that transports urine from the kidneys to the urinary bladder?

Accepted Answer

A)  Urethra 
B)  Ureter 
C)  Proximal convoluted tubule 
D)  Loop of Henle 
E)  Renal pelvis 
A)  Urethra 
B)  Ureter 
C)  Proximal convoluted tubule 
D)  Loop of Henle 
E)  Renal pelvis

Exam 30: Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

In the evolution of bony fish,

A large mammal,such as an eland,can cool itself physiologically in a hot,arid environment when the environmental temperature exceeds the body temperature by

In Amoeba and Paramecium,water balance is achieved by a tiny,spherical organ called the ______ ______.

In a cold environment,many species of birds and mammals maintain homeothermy by decreasing conductance and

Ciliated flame cells propel fluids through the excretory system in

Briefly describe how marine invertebrates meet and solve the problems of salt and water balance.If many invertebrates can survive in marine environments,why can't insects?

Hummingbirds are able to reduce energy expenditure when inactive by

An animal having a body temperature that is determined solely by the temperature of the environment is said to be

The amount of water retained and the final concentration of the urine depend on the permeability of the walls of the _______ ______.

The ancestral kidney of vertebrates is the __________,a name that means "first kidney."

In the metanephridium,the tubule is open at both ends and fluids are swept in through a funnel-like _____________.

Sharks solve their water balance problems because their blood carries large amounts of trimethylamine oxide and ____________.

What kind of osmoregulatory problems were encountered by the ancestors of marine bony fishes (that apparently evolved in freshwater ecosystems)?

You notice that some flour beetles have been living in a kitchen canister of "dry" flour for a year.As animals,beetles must have water for internal cellular metabolism,hemolymph,etc.How are they probably getting their water?

Which hormone promotes the secretion of antidiuretic hormone?

What is the difference between an osmotic regulator and a hyperosmotic regulator?

The transport maximum is the upper limit to the amount of a substance that can be

Briefly describe the function and role of the following: aldosterone,renin,angiotensin,and antidiuretic hormone.

Animals incapable of regulating their body fluid osmotic pressure are referred to as _____ ______.

What is the name of the tube that transports urine from the kidneys to the urinary bladder?

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectural Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Radiate Animals

Acoelomorpha,Platyzoa,and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Support, Protection, and Movement

Chaetognaths, Echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Support, protection, and Movement

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Chemical Coordination: Endocrine System

Immunity

Animal Behavior

Animal Distributions

Animal Ecology

Filters

In Amoeba and Paramecium,water balance is achieved by a tiny,spherical organ called the .

The amount of water retained and the final concentration of the urine depend on the permeability of the walls of the _ .

Animals incapable of regulating their body fluid osmotic pressure are referred to as _ __.