Question 1

Glycoproteins coat ice crystals that begin to form in blood and prevent freezing in a process called

Accepted Answer

A)  antifreeze accumulation. 
B)  supercooling. 
C)  isozymal coating. 
D)  osmoregulation. 
A)  antifreeze accumulation. 
B)  supercooling. 
C)  isozymal coating. 
D)  osmoregulation. B

Question 2

Spotted salamanders lay eggs in gelatinous masses on twigs partially submerged in small ponds or vernal pools. Associated with the eggs, scientists have found a species of alga living in a mutualistic relationship with the developing eggs. What benefit does the salamander receive from this relationship?

Accepted Answer

A)  The salamander eggs are better camouflaged. 
B)  The salamander embryos receive an increased oxygen supply. 
C)  The salamander embryos receive an increased carbon dioxide supply. 
D)  The salamander embryos receive an increased nitrogen supply. 
A)  The salamander eggs are better camouflaged. 
B)  The salamander embryos receive an increased oxygen supply. 
C)  The salamander embryos receive an increased carbon dioxide supply. 
D)  The salamander embryos receive an increased nitrogen supply. B

Question 3

The use of salt on roads in winter has led to

Accepted Answer

A)  adaptation of roadside plants to increased salt levels. 
B)  decreased survival of freshwater organisms in nearby ponds. 
C)  hyperosmotic conditions. 
D)  increased acid deposition. 
A)  adaptation of roadside plants to increased salt levels. 
B)  decreased survival of freshwater organisms in nearby ponds. 
C)  hyperosmotic conditions. 
D)  increased acid deposition. B

Question 4

How does water in a bog differ from water in other locations?

Accepted Answer

A)  More bicarbonate and more carbon dioxide are available. 
B)  More bicarbonate and less carbon dioxide are available. 
C)  Less bicarbonate and more carbon dioxide are available. 
D)  Less bicarbonate and less carbon dioxide are available. 
A)  More bicarbonate and more carbon dioxide are available. 
B)  More bicarbonate and less carbon dioxide are available. 
C)  Less bicarbonate and more carbon dioxide are available. 
D)  Less bicarbonate and less carbon dioxide are available.

Question 5

Explain how acid precipitation indirectly impacts trees.

Accepted Answer

Acid precipitation indirectly impacts tr

Question 6

Explain why freshwater fish do not need to drink water.

Accepted Answer

Freshwater fish do not need to drink wat

Question 7

Explain why there are relatively few plant species in mangrove forests.

Accepted Answer

There are relatively few plant species i

Question 8

Aquatic organisms have developed streamlined shapes to adapt to the

Accepted Answer

A)  density of water. 
B)  viscosity of water. 
C)  polar nature of water. 
D)  basic nature of water. 
A)  density of water. 
B)  viscosity of water. 
C)  polar nature of water. 
D)  basic nature of water.

Question 9

The high specific heat of water

Accepted Answer

A)  means large amounts of heat are needed to change the temperature of water. 
B)  requires significant heat energy to make the transition from solid to liquid. 
C)  requires significant heat energy to make the transition from liquid to gas. 
D)  makes it difficult to increase the temperature of liquid water above 100°C. 
A)  means large amounts of heat are needed to change the temperature of water. 
B)  requires significant heat energy to make the transition from solid to liquid. 
C)  requires significant heat energy to make the transition from liquid to gas. 
D)  makes it difficult to increase the temperature of liquid water above 100°C.

Question 10

What percentage of a normal distribution is within one standard deviation of the mean?

Accepted Answer

A)  34% 
B)  50% 
C)  68% 
D)  76% 
E)  95% 
A)  34% 
B)  50% 
C)  68% 
D)  76% 
E)  95%

Question 11

Explain from a physiological perspective why it would be advantageous for a temperate freshwater fish species to produce isoenzymes.

Accepted Answer

From a physiological perspective, it wou

Question 12

Organisms that survive in varied temperatures adapt to changes by using

Accepted Answer

A)  supercooling. 
B)  hyperosmotic molecules. 
C)  countercurrent circulation. 
D)  isozymes. 
A)  supercooling. 
B)  hyperosmotic molecules. 
C)  countercurrent circulation. 
D)  isozymes.

Question 13

Which is NOT an adaptation to low-oxygen aquatic environments?

Accepted Answer

A)  increased hemoglobin 
B)  breathing air 
C)  increased metabolic activity 
D)  symbiotic relationship with algae 
A)  increased hemoglobin 
B)  breathing air 
C)  increased metabolic activity 
D)  symbiotic relationship with algae

Question 14

The primary cause of coral bleaching is

Accepted Answer

A)  decreased water temperature. 
B)  increased water temperature. 
C)  decreased salt concentrations. 
D)  increased water pH. 
E)  decreased water pH. 
A)  decreased water temperature. 
B)  increased water temperature. 
C)  decreased salt concentrations. 
D)  increased water pH. 
E)  decreased water pH.

Question 15

The region of unstirred air or water surrounding the leaf surfaces of a terrestrial or aquatic plant is called the

Accepted Answer

A)  photosynthetic active region. 
B)  diffusion layer. 
C)  boundary layer. 
D)  transpiration zone. 
A)  photosynthetic active region. 
B)  diffusion layer. 
C)  boundary layer. 
D)  transpiration zone.

Question 16

Explain how increased atmospheric carbon dioxide can affect the ability of coral to build their exoskeletons.

Accepted Answer

Increased atmospheric carbon dioxide can

Question 17

Which of the following is NOT a part of carbon equilibrium in water?

Accepted Answer

A)  bicarbonate 
B)  ammonia 
C)  hydrogen ions 
D)  carbonic acid 
A)  bicarbonate 
B)  ammonia 
C)  hydrogen ions 
D)  carbonic acid

Question 18

The dissolved oxygen levels in water did NOT require adaptation for

Accepted Answer

A)  whales. 
B)  sharks. 
C)  squid. 
D)  zooplankton. 
A)  whales. 
B)  sharks. 
C)  squid. 
D)  zooplankton.

Question 19

A freshwater fish with a high concentration of dissolved nutrients will

Accepted Answer

A)  have high osmotic pressure. 
B)  have low osmotic pressure. 
C)  be hyposmotic. 
D)  actively secrete solutes. 
A)  have high osmotic pressure. 
B)  have low osmotic pressure. 
C)  be hyposmotic. 
D)  actively secrete solutes.

Question 20

What prevents ice formation in blood and tissues of marine animals?

Accepted Answer

A)  an increased concentration of glycerol 
B)  an increased concentration of oxygen 
C)  a decreased concentration of salt 
D)  a decreased concentration of trimethylamine oxide 
A)  an increased concentration of glycerol 
B)  an increased concentration of oxygen 
C)  a decreased concentration of salt 
D)  a decreased concentration of trimethylamine oxide

Exam 2: Adaptations to Aquatic Environments

Glycoproteins coat ice crystals that begin to form in blood and prevent freezing in a process called

The use of salt on roads in winter has led to

How does water in a bog differ from water in other locations?

Explain how acid precipitation indirectly impacts trees.

Explain why freshwater fish do not need to drink water.

Explain why there are relatively few plant species in mangrove forests.

Aquatic organisms have developed streamlined shapes to adapt to the

The high specific heat of water

What percentage of a normal distribution is within one standard deviation of the mean?

Explain from a physiological perspective why it would be advantageous for a temperate freshwater fish species to produce isoenzymes.

Organisms that survive in varied temperatures adapt to changes by using

Which is NOT an adaptation to low-oxygen aquatic environments?

The primary cause of coral bleaching is

The region of unstirred air or water surrounding the leaf surfaces of a terrestrial or aquatic plant is called the

Explain how increased atmospheric carbon dioxide can affect the ability of coral to build their exoskeletons.

Which of the following is NOT a part of carbon equilibrium in water?

The dissolved oxygen levels in water did NOT require adaptation for

A freshwater fish with a high concentration of dissolved nutrients will

What prevents ice formation in blood and tissues of marine animals?

Introduction: Ecology, Evolution, and the Scientific Method

Adaptations to Terrestrial Environments

Adaptations to Variable Environments

Climates and Soils

Terrestrial and Aquatic Biomes

Evolution and Adaptation

Life Histories

Reproductive Strategies

Social Behaviors

Population Distributions

Population Growth and Regulation

Population Dynamics Over Space and Time

Predation and Herbivory

Parasitism and Infectious Diseases

Competition

Mutualism

Community Structure

Community Succession

Movement of Energy in Ecosystems

Movement of Elements in Ecosystems

Landscape Ecology and Global Biodiversity

Global Conservation of Biodiversity

Filters

Exam 2: Adaptations to Aquatic Environments　