Question 1

The benthic portion of eutrophic lakes can become ________.

Accepted Answer

anaerobic

Question 2

Which of the following river dimension definitions is/are incorrect?

Accepted Answer

A)  Active channel: riparian zone with seasonal flooding 
B)  Wetted channel: water-laden year around 
C)  Riffle: current of water 
D)  Phreatic zone: transition from riparian to water column 
E)  Hyporheic zone: transition between surface water and ground water 
A)  Active channel: riparian zone with seasonal flooding 
B)  Wetted channel: water-laden year around 
C)  Riffle: current of water 
D)  Phreatic zone: transition from riparian to water column 
E)  Hyporheic zone: transition between surface water and ground water D

Question 3

Of the following aquatic environments, which has the highest productivity?

Accepted Answer

A)  Lakes 
B)  Rivers 
C)  Oceanic zone 
D)  Intertidal zone 
E)  Coral reefs 
A)  Lakes 
B)  Rivers 
C)  Oceanic zone 
D)  Intertidal zone 
E)  Coral reefs E

Question 4

All of the following statements concerning the hydrologic cycle are true except

Accepted Answer

A)  it is powered by solar energy. 
B)  flux is determined by evaporation. 
C)  transpiration is not involved. 
D)  reservoirs include lakes, rivers, oceans, and ice. 
E)  none of the choices are correct. 
A)  it is powered by solar energy. 
B)  flux is determined by evaporation. 
C)  transpiration is not involved. 
D)  reservoirs include lakes, rivers, oceans, and ice. 
E)  none of the choices are correct.

Question 5

All of the following are characteristics of fish communities used in the Index of Biological Diversity except

Accepted Answer

A)  species composition. 
B)  trophic composition. 
C)  fish abundance. 
D)  fish scale coloration. 
A)  species composition. 
B)  trophic composition. 
C)  fish abundance. 
D)  fish scale coloration.

Question 6

Oceanic water circulation systems are termed

Accepted Answer

A)  upwellings. 
B)  atolls. 
C)  ebbs. 
D)  gyres. 
E)  pulses. 
A)  upwellings. 
B)  atolls. 
C)  ebbs. 
D)  gyres. 
E)  pulses.

Question 7

Which is not considered a reef?

Accepted Answer

A)  Atoll 
B)  Barrier 
C)  Kelp 
D)  Fringing 
E)  None of the choices are correct. 
A)  Atoll 
B)  Barrier 
C)  Kelp 
D)  Fringing 
E)  None of the choices are correct.

Question 8

Small head streams can be characterized by all of the following components except

Accepted Answer

A)  energy source CPOM. 
B)  clear. 
C)  low oxygen content. 
D)  cool. 
E)  None of the choices are correct. 
A)  energy source CPOM. 
B)  clear. 
C)  low oxygen content. 
D)  cool. 
E)  None of the choices are correct.

Question 9

The effects of currents in streams include all of the following EXCEPT

Accepted Answer

A)  organism size. 
B)  organism shape. 
C)  organism behavior. 
D)  oxygen content. 
E)  None of the choices are correct. 
A)  organism size. 
B)  organism shape. 
C)  organism behavior. 
D)  oxygen content. 
E)  None of the choices are correct.

Question 10

The Great Lakes are troubled with invasive species. Which of the following aquatic organisms is considered invasive?

Accepted Answer

A)  Zebra mussels 
B)  Trout 
C)  Darters 
D)  All of the choices are considered invasive. 
E)  None of the choices are considered invasive. 
A)  Zebra mussels 
B)  Trout 
C)  Darters 
D)  All of the choices are considered invasive. 
E)  None of the choices are considered invasive.

Question 11

Gyres move to the left in the Northern Hemisphere and to the right in the Southern Hemisphere.

Accepted Answer

A) True 
 B)False

Question 12

The timing and extent of tides are a function of all of the following except

Accepted Answer

A)  the moon's gravitational force. 
B)  the sun's gravitational force. 
C)  geography. 
D)  the size of the body of water. 
E)  salinity levels. 
A)  the moon's gravitational force. 
B)  the sun's gravitational force. 
C)  geography. 
D)  the size of the body of water. 
E)  salinity levels.

Question 13

Estuaries are junctions between rivers and lakes.

Accepted Answer

A) True 
 B)False

Question 14

A salt marsh is the junction between ________ and ________.

Accepted Answer

A)  sea; land 
B)  river; sea 
C)  land; river 
D)  estuary; land 
E)  mangrove; sea 
A)  sea; land 
B)  river; sea 
C)  land; river 
D)  estuary; land 
E)  mangrove; sea

Question 15

According to the river continuum, the main energy source for

Accepted Answer

A)  small head streams is CPOM. 
B)  small head streams is FPOM. 
C)  small head streams is phytoplankton. 
D)  large rivers is phytoplankton. 
E)  large rivers is CPOM. 
A)  small head streams is CPOM. 
B)  small head streams is FPOM. 
C)  small head streams is phytoplankton. 
D)  large rivers is phytoplankton. 
E)  large rivers is CPOM.

Question 16

All of the following statements are true concerning temperate lakes except

Accepted Answer

A)  fall and spring turnovers involve vertical mixing of temperature stratified waters. 
B)  during fall and spring turnover, the oxygen rich hypolimnion moves up to the epilimnion. 
C)  during late fall and early spring, a temperate lake has a uniform water temperature. 
D)  during the year, the hypolimnion's temperature does not change. 
E)  fall and spring turnovers involve the wind. 
A)  fall and spring turnovers involve vertical mixing of temperature stratified waters. 
B)  during fall and spring turnover, the oxygen rich hypolimnion moves up to the epilimnion. 
C)  during late fall and early spring, a temperate lake has a uniform water temperature. 
D)  during the year, the hypolimnion's temperature does not change. 
E)  fall and spring turnovers involve the wind.

Question 17

Limnetic thermoclines are located in the ________ zone.

Accepted Answer

The answer of Limnetic thermoclines are located in the ________...

Question 18

In temperate lakes, fall blooms are occasionally followed by fish kills.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following properties is considered a major physical difference between air and water?

Accepted Answer

A)  Heat conduction 
B)  Light penetration 
C)  Density 
D)  All of the answer choices are correct. 
A)  Heat conduction 
B)  Light penetration 
C)  Density 
D)  All of the answer choices are correct.

Question 20

The oceans are the largest water reservoir on the planet.

Accepted Answer

A) True 
 B)False

Exam 3: Life in Water

The benthic portion of eutrophic lakes can become ________.

Which of the following river dimension definitions is/are incorrect?

Of the following aquatic environments, which has the highest productivity?

All of the following statements concerning the hydrologic cycle are true except

All of the following are characteristics of fish communities used in the Index of Biological Diversity except

Oceanic water circulation systems are termed

Which is not considered a reef?

Small head streams can be characterized by all of the following components except

The effects of currents in streams include all of the following EXCEPT

The Great Lakes are troubled with invasive species. Which of the following aquatic organisms is considered invasive?

Gyres move to the left in the Northern Hemisphere and to the right in the Southern Hemisphere.

The timing and extent of tides are a function of all of the following except

Estuaries are junctions between rivers and lakes.

A salt marsh is the junction between ________ and ________.

According to the river continuum, the main energy source for

All of the following statements are true concerning temperate lakes except

Limnetic thermoclines are located in the ________ zone.

In temperate lakes, fall blooms are occasionally followed by fish kills.

Which of the following properties is considered a major physical difference between air and water?

The oceans are the largest water reservoir on the planet.

Introduction to Ecology: Historical Foundations and Developing Frontiers

Life on Land

Population Genetics and Natural Selection

Temperature Relations

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

A salt marsh is the junction between and .