Question 1

Which pair of human activities is likely to lead to the establishment of extremely low plant diversity?

Accepted Answer

A)  plantation forestry and ecosystem restoration 
B)  agriculture and plantation forestry 
C)  agriculture and ecosystem rehabilitation 
D)  agriculture and ecosystem restoration 
A)  plantation forestry and ecosystem restoration 
B)  agriculture and plantation forestry 
C)  agriculture and ecosystem rehabilitation 
D)  agriculture and ecosystem restoration

Question 2

What explains how species can avoid or reduce interspecific competition?

Accepted Answer

A)  by eating at the same times 
B)  by foraging in close proximity to competing species 
C)  by specializing in different food items 
D)  by employing similar hunting tactics 
A)  by eating at the same times 
B)  by foraging in close proximity to competing species 
C)  by specializing in different food items 
D)  by employing similar hunting tactics

Question 3

Which term defines the relationship between clownfish and sea anemones?

Accepted Answer

A)  parasitism 
B)  predation 
C)  competition 
D)  mutualism 
A)  parasitism 
B)  predation 
C)  competition 
D)  mutualism

Question 4

Which term defines the relationship between redwood trees and redwood sorrel?

Accepted Answer

A)  commensalism 
B)  predation 
C)  parasitism 
D)  competition 
A)  commensalism 
B)  predation 
C)  parasitism 
D)  competition

Question 5

How long does it take for natural processes to produce fertile soil?

Accepted Answer

A)  weeks to months 
B)  months to years 
C)  decades to a few centuries 
D)  several centuries to several thousands of years 
A)  weeks to months 
B)  months to years 
C)  decades to a few centuries 
D)  several centuries to several thousands of years

Question 6

Which of the following is an outcome of primary succession?

Accepted Answer

A)  Primary succession generally results in more simple, more self-sustaining stages than the preceding stages. 
B)  Primary succession often results in a keystone species stabilizing the environment so that it can thrive indefinitely. 
C)  Primary succession often leads to a more simple, unsustainable stage. 
D)  Primary succession often involves a species changing its environment such that it can no longer thrive and must be replaced by other species. 
A)  Primary succession generally results in more simple, more self-sustaining stages than the preceding stages. 
B)  Primary succession often results in a keystone species stabilizing the environment so that it can thrive indefinitely. 
C)  Primary succession often leads to a more simple, unsustainable stage. 
D)  Primary succession often involves a species changing its environment such that it can no longer thrive and must be replaced by other species.

Question 7

What is least likely to be included in ecosystem structure?

Accepted Answer

A)  species abundance 
B)  species diversity 
C)  secondary productivity 
D)  physical appearance 
A)  species abundance 
B)  species diversity 
C)  secondary productivity 
D)  physical appearance

Question 8

What habitat would have relatively little species biodiversity?

Accepted Answer

A)  a middle-latitude grassland 
B)  a low-latitude forest 
C)  the polar regions 
D)  a high-latitude forest 
A)  a middle-latitude grassland 
B)  a low-latitude forest 
C)  the polar regions 
D)  a high-latitude forest

Question 9

Which human-caused change might be considered a catastrophic change rather than a gradual change?

Accepted Answer

A)  compaction of the soil by continued exposure to heavy farm machinery 
B)  salinization of the soil though evaporation of water and deposition of salt 
C)  plowing of prairie soil to commence agriculture 
D)  human-caused changes associated with wind and water erosion 
A)  compaction of the soil by continued exposure to heavy farm machinery 
B)  salinization of the soil though evaporation of water and deposition of salt 
C)  plowing of prairie soil to commence agriculture 
D)  human-caused changes associated with wind and water erosion

Question 10

Which term is defined as a relationship in which one species benefits while the other is neither helped nor harmed to any significant degree?

Accepted Answer

A)  competition 
B)  commensalism 
C)  parasitism 
D)  predation 
A)  competition 
B)  commensalism 
C)  parasitism 
D)  predation

Question 11

Which situation is the least likely death of a shark?

Accepted Answer

A)  It was eaten by an apex predator. 
B)  It provided food for humans. 
C)  It was attacked by a human bent on destroying the shark. 
D)  It was caught by a sport fisher. 
A)  It was eaten by an apex predator. 
B)  It provided food for humans. 
C)  It was attacked by a human bent on destroying the shark. 
D)  It was caught by a sport fisher.

Question 12

Which pair of terms applies to changes such as drought and earthquakes?

Accepted Answer

A)  natural and catastrophic 
B)  human caused and catastrophic 
C)  natural and gradual 
D)  human caused and gradual 
A)  natural and catastrophic 
B)  human caused and catastrophic 
C)  natural and gradual 
D)  human caused and gradual

Question 13

Which term refers to the ability of an organism to return to its former condition after a period of stress?

Accepted Answer

A)  inertia 
B)  constancy 
C)  stability 
D)  resilience 
A)  inertia 
B)  constancy 
C)  stability 
D)  resilience

Question 14

Which pair of terms applies to changes such as depletion of underground aquifers and water logging of irrigated soils?

Accepted Answer

A)  natural and gradual 
B)  human caused and catastrophic 
C)  human caused and gradual 
D)  natural and catastrophic 
A)  natural and gradual 
B)  human caused and catastrophic 
C)  human caused and gradual 
D)  natural and catastrophic

Question 15

Which term describes the relationship between fire ant and native ant populations?

Accepted Answer

A)  mutualism 
B)  interspecific competition 
C)  commensalisms 
D)  intraspecific competition 
A)  mutualism 
B)  interspecific competition 
C)  commensalisms 
D)  intraspecific competition

Question 16

A new kitten is added to a home with an established older cat.The older cat hisses and swats at the younger kitten in the kitchen where they are fed.Which term refers to the behaviour of the older cat?

Accepted Answer

A)  commensalism 
B)  predation 
C)  mutualism 
D)  competition 
A)  commensalism 
B)  predation 
C)  mutualism 
D)  competition

Question 17

Which statement is characteristic of an indicator species?

Accepted Answer

A)  It is very adaptable. 
B)  It eats a wide variety of food. 
C)  It is more likely to become extinct. 
D)  It tolerates a wide range of environments. 
A)  It is very adaptable. 
B)  It eats a wide variety of food. 
C)  It is more likely to become extinct. 
D)  It tolerates a wide range of environments.

Question 18

Which of the following is NOT a mutualistic relationship?

Accepted Answer

A)  lichens 
B)  clownfish and sea anemones 
C)  epiphytes 
D)  mycorrhizal fungi and the roots of tree seedlings 
A)  lichens 
B)  clownfish and sea anemones 
C)  epiphytes 
D)  mycorrhizal fungi and the roots of tree seedlings

Question 19

Define Batesian mimicry.

Accepted Answer

an edible species th

Question 20

The relationship between a lion and a zebra is said to be a(n)___________________________________ relationship.

Accepted Answer

The answer of The relationship between a lion and a...

Exam 8: Community Ecology

Which pair of human activities is likely to lead to the establishment of extremely low plant diversity?

What explains how species can avoid or reduce interspecific competition?

Which term defines the relationship between clownfish and sea anemones?

Which term defines the relationship between redwood trees and redwood sorrel?

How long does it take for natural processes to produce fertile soil?

Which of the following is an outcome of primary succession?

What is least likely to be included in ecosystem structure?

What habitat would have relatively little species biodiversity?

Which human-caused change might be considered a catastrophic change rather than a gradual change?

Which term is defined as a relationship in which one species benefits while the other is neither helped nor harmed to any significant degree?

Which situation is the least likely death of a shark?

Which pair of terms applies to changes such as drought and earthquakes?

Which term refers to the ability of an organism to return to its former condition after a period of stress?

Which pair of terms applies to changes such as depletion of underground aquifers and water logging of irrigated soils?

Which term describes the relationship between fire ant and native ant populations?

A new kitten is added to a home with an established older cat.The older cat hisses and swats at the younger kitten in the kitchen where they are fed.Which term refers to the behaviour of the older cat?

Which statement is characteristic of an indicator species?

Which of the following is NOT a mutualistic relationship?

Define Batesian mimicry.

The relationship between a lion and a zebra is said to be a(n)___________________________________ relationship.

Environmental Problems: an Introduction and Overview

Environmental History: Learning From the Past

Science, systems, matter, and Energy

Ecosystems: What Are They, and How Do They Work

Evolution and Biodiversity

Climate and Terrestrial Biodiversity

Aquatic Biodiversity

Population Ecology

Applying Population Ecology: the Human Population

Sustaining Terrestrial Biodiversity: Managing and Protecting Ecosystems

Sustaining Biodiversity: the Species Approach

Sustaining Aquatic Biodiversity

Food and Soil Resources

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Risk,toxicology,and Human Health

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Climate Change and Ozone Loss

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Solid and Hazardous Waste

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