Question 1

Marine bony fishes

Accepted Answer

A)  gain water by osmosis. 
B)  absorb salt through the gills. 
C)  must drink water to compensate for water loss. 
D)  neither lose nor gain salt. 
E)  use active transport to expel water. 
A)  gain water by osmosis. 
B)  absorb salt through the gills. 
C)  must drink water to compensate for water loss. 
D)  neither lose nor gain salt. 
E)  use active transport to expel water.

Question 2

In drinking tea,reabsorption of fluids in the tubules drops from 99% to 98%.This would

Accepted Answer

A)  reduce urine volume 1%. 
B)  increase urine volume by 1%. 
C)  increase urine by 98%. 
D)  double urine volume. 
E)  make no change in urine flow. 
A)  reduce urine volume 1%. 
B)  increase urine volume by 1%. 
C)  increase urine by 98%. 
D)  double urine volume. 
E)  make no change in urine flow.

Question 3

Why is it so physiologically distressing for freshwater aquarium fish to be dumped into the ocean,or a marine aquarium fish to be dumped into a local city park freshwater pond?

Accepted Answer

Freshwater aquarium fish and marine aqua

Question 4

Some insects are "facultative endotherms," which means they can warm up parts of their body such as the thorax by muscular thermogenesis.What advantages can you imagine for the evolution of such a trait?

Accepted Answer

Facultative endothermy in insects could

Question 5

Some animals enter a state of summer dormancy,or __________,when food is scarce or there is a potential for dehydration.

Accepted Answer

The answer of Some animals enter a state of summer...

Question 6

Marine invertebrates that have surfaces permeable to salts and water so that they are always in osmotic equilibrium with their seawater environment are

Accepted Answer

A)  osmotic regulators. 
B)  hyperosmotic. 
C)  hypoosmotic. 
D)  osmotic conformers. 
E)  stenohaline. 
A)  osmotic regulators. 
B)  hyperosmotic. 
C)  hypoosmotic. 
D)  osmotic conformers. 
E)  stenohaline.

Question 7

In many modern animals,the ancient archinephric duct became

Accepted Answer

A)  a duct for sperm transport. 
B)  the urethra. 
C)  the ureter. 
D)  the loop of Henle. 
E)  the whole kidney. 
A)  a duct for sperm transport. 
B)  the urethra. 
C)  the ureter. 
D)  the loop of Henle. 
E)  the whole kidney.

Question 8

Based on what you know,is it likely that the larger dinosaurs were ectotherms or endotherms? Think of their entire lifestyle and how that might reflect their thermoregulatory strategies.

Accepted Answer

Based on what we know about the larger d

Question 9

Hummingbirds may reduce the energetic cost of homeothermy by allowing their body temperature to drop at night,an adaptation called ____________.

Accepted Answer

The answer of Hummingbirds may reduce the energetic cost of...

Question 10

Outline various adaptive strategies for survival in cold environments used by both invertebrates and vertebrates.

Accepted Answer

In cold environments, both invertebrates

Question 11

It is believed that in flatworms,water enters the protonephridia (flame cells)from the surrounding tissues by negative pressure from the ___________ beating.

Accepted Answer

The answer of It is believed that in flatworms,water enters...

Question 12

The capacity of most ectotherms to adjust their metabolic rates to the prevailing temperature such that the intensity of metabolism remains mostly unchanged is called

Accepted Answer

A)  poikilothermy. 
B)  temperature compensation. 
C)  metabolic ectothermy. 
D)  homeothermy. 
E)  behavioral thermoregulation. 
A)  poikilothermy. 
B)  temperature compensation. 
C)  metabolic ectothermy. 
D)  homeothermy. 
E)  behavioral thermoregulation.

Question 13

Animals maintaining a constant and elevated body temperature independent of ambient conditions are

Accepted Answer

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

Question 14

The secretion of aldosterone is regulated by the enzyme renin,which is produced by the

Accepted Answer

A)  juxtaglomerular apparatus. 
B)  glomerulus. 
C)  juxtanephritic apparatus. 
D)  loop of Henle. 
E)  renal pelvis. 
A)  juxtaglomerular apparatus. 
B)  glomerulus. 
C)  juxtanephritic apparatus. 
D)  loop of Henle. 
E)  renal pelvis.

Question 15

The flow of arterial blood downward alongside the ascending venous blood in the leg of the arctic wolf illustrates the concept of

Accepted Answer

A)  universal cell metabolism. 
B)  behavioral thermoregulation. 
C)  countercurrent exchange. 
D)  nonshivering thermogenesis. 
E)  augmented muscular activity. 
A)  universal cell metabolism. 
B)  behavioral thermoregulation. 
C)  countercurrent exchange. 
D)  nonshivering thermogenesis. 
E)  augmented muscular activity.

Question 16

Compare excretory structures of single-celled organisms with those of marine invertebrates and terrestrial vertebrates.

Accepted Answer

Single-celled organisms typically excret

Question 17

Animals having a variable body temperature are said to be _____________.

Accepted Answer

The answer of Animals having a variable body temperature are...

Question 18

Explain the physiological process of glomerular filtration.

Accepted Answer

Glomerular filtration is the process by

Question 19

What is so "adaptive" about adaptive hypothermia in birds and animals? Why not just become ectothermic?

Accepted Answer

Adaptive hypothermia in birds and animal

Question 20

The effect of renin release will

Accepted Answer

A)  lower the number of red blood cells. 
B)  lower blood volume by reducing angiotensin. 
C)  result in production of angiotensin. 
D)  inhibit aldosterone secretion. 
E)  eliminate sodium and water. 
A)  lower the number of red blood cells. 
B)  lower blood volume by reducing angiotensin. 
C)  result in production of angiotensin. 
D)  inhibit aldosterone secretion. 
E)  eliminate sodium and water.

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

Marine bony fishes

In drinking tea,reabsorption of fluids in the tubules drops from 99% to 98%.This would

Why is it so physiologically distressing for freshwater aquarium fish to be dumped into the ocean,or a marine aquarium fish to be dumped into a local city park freshwater pond?

Some insects are "facultative endotherms," which means they can warm up parts of their body such as the thorax by muscular thermogenesis.What advantages can you imagine for the evolution of such a trait?

Some animals enter a state of summer dormancy,or __________,when food is scarce or there is a potential for dehydration.

Marine invertebrates that have surfaces permeable to salts and water so that they are always in osmotic equilibrium with their seawater environment are

In many modern animals,the ancient archinephric duct became

Based on what you know,is it likely that the larger dinosaurs were ectotherms or endotherms? Think of their entire lifestyle and how that might reflect their thermoregulatory strategies.

Hummingbirds may reduce the energetic cost of homeothermy by allowing their body temperature to drop at night,an adaptation called ____________.

Outline various adaptive strategies for survival in cold environments used by both invertebrates and vertebrates.

It is believed that in flatworms,water enters the protonephridia (flame cells)from the surrounding tissues by negative pressure from the ___________ beating.

The capacity of most ectotherms to adjust their metabolic rates to the prevailing temperature such that the intensity of metabolism remains mostly unchanged is called

Animals maintaining a constant and elevated body temperature independent of ambient conditions are

The secretion of aldosterone is regulated by the enzyme renin,which is produced by the

The flow of arterial blood downward alongside the ascending venous blood in the leg of the arctic wolf illustrates the concept of

Compare excretory structures of single-celled organisms with those of marine invertebrates and terrestrial vertebrates.

Animals having a variable body temperature are said to be _____________.

Explain the physiological process of glomerular filtration.

What is so "adaptive" about adaptive hypothermia in birds and animals? Why not just become ectothermic?

The effect of renin release will

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