Question 1

Which of the following is not a benefit provided by mutualistic crab and shrimp to the Pocillopora coral?

Accepted Answer

A)  protection from predators 
B)  promotion of the health and integrity of coral tissue 
C)  source of lipids 
D)  both protection from predators and source of lipids 
E)  both promotion of the health and integrity of coral tissue and source of lipids 
A)  protection from predators 
B)  promotion of the health and integrity of coral tissue 
C)  source of lipids 
D)  both protection from predators and source of lipids 
E)  both promotion of the health and integrity of coral tissue and source of lipids

Question 2

A cost-benefit model predicts that aspen sunflowers (Helianthella quinquenervis) in shady habitats should be less likely to attract ants than those living in sunny habitats.

Accepted Answer

A) True 
 B)False

Question 3

Ants on the aspen sunflower, Helianthella quinquenervis, obtain sugars and amino acids by

Accepted Answer

A)  collecting nectar from the sunflower's flowers. 
B)  collecting nectar from extrafloral nectaries. 
C)  tending aphids that extract plant sap. 
D)  extracting plant sap directly by piercing the sunflower stem. 
E)  All of the choices are correct. 
A)  collecting nectar from the sunflower's flowers. 
B)  collecting nectar from extrafloral nectaries. 
C)  tending aphids that extract plant sap. 
D)  extracting plant sap directly by piercing the sunflower stem. 
E)  All of the choices are correct.

Question 4

The photosynthetic zooxanthellae associated with reef-building corals are members of the Phylum ___________.

Accepted Answer

The answer of The photosynthetic zooxanthellae associated with reef-building corals...

Question 5

A calculated range of values that we estimate contains the true mean of a population with a known degree of certainty is called a

Accepted Answer

A)  standard error. 
B)  standard deviation. 
C)  median. 
D)  Students t-value. 
E)  confidence interval. 
A)  standard error. 
B)  standard deviation. 
C)  median. 
D)  Students t-value. 
E)  confidence interval.

Question 6

The major benefit obtained by zooxanthellae algal cells from their coral host is

Accepted Answer

A)  protection from herbivores. 
B)  sugars. 
C)  phosphorus from coral wastes. 
D)  nitrogen from coral wastes. 
E)  temperature regulation. 
A)  protection from herbivores. 
B)  sugars. 
C)  phosphorus from coral wastes. 
D)  nitrogen from coral wastes. 
E)  temperature regulation.

Question 7

What is the 95% confidence interval for the Gila River sample of loach minnows given:   mm, s = 6.2 mm, n = 50, and critical value of t = 2.01.

Accepted Answer

A)  56.2 mm + 1.77 mm 
B)  56.2 mm F1F1F1S1F1F1F10 1.77 mm 
C)  56.2 mm - 2.26 mm 
D)  56.2 mm F1F1F1S1F1F1F10 0.25 mm 
E)  56.2 mm + 0.25 mm 
A)  56.2 mm + 1.77 mm 
B)  56.2 mm F1F1F1S1F1F1F10 1.77 mm 
C)  56.2 mm - 2.26 mm 
D)  56.2 mm F1F1F1S1F1F1F10 0.25 mm 
E)  56.2 mm + 0.25 mm

Question 8

The enlarged thorns of swollen thorn acacias provide ants with

Accepted Answer

A)  a source of sugar. 
B)  a source of protein. 
C)  a source of fats. 
D)  living space. 
E)  a habitat for their prey species. 
A)  a source of sugar. 
B)  a source of protein. 
C)  a source of fats. 
D)  living space. 
E)  a habitat for their prey species.

Question 9

The "unsuccessful mutualists" in Kathleen Keeler's cost-benefit model of mutualism are those that

Accepted Answer

A)  give benefits to their partner, but fail to receive benefits in return. 
B)  receive benefits from their partner, but fail to provide benefits in return. 
C)  neither give benefits to their partner, nor receive them in return. 
D)  fail to locate individuals of their mutualistic partner effectively. 
E)  locate mutualistic partners, but fail to overcome their defenses against colonization. 
A)  give benefits to their partner, but fail to receive benefits in return. 
B)  receive benefits from their partner, but fail to provide benefits in return. 
C)  neither give benefits to their partner, nor receive them in return. 
D)  fail to locate individuals of their mutualistic partner effectively. 
E)  locate mutualistic partners, but fail to overcome their defenses against colonization.

Which of the following is not a benefit provided by mutualistic crab and shrimp to the Pocillopora coral?

A cost-benefit model predicts that aspen sunflowers (Helianthella quinquenervis) in shady habitats should be less likely to attract ants than those living in sunny habitats.

Ants on the aspen sunflower, Helianthella quinquenervis, obtain sugars and amino acids by

The photosynthetic zooxanthellae associated with reef-building corals are members of the Phylum ___________.

A calculated range of values that we estimate contains the true mean of a population with a known degree of certainty is called a

The major benefit obtained by zooxanthellae algal cells from their coral host is

What is the 95% confidence interval for the Gila River sample of loach minnows given: mm, s = 6.2 mm, n = 50, and critical value of t = 2.01.

The enlarged thorns of swollen thorn acacias provide ants with

The "unsuccessful mutualists" in Kathleen Keeler's cost-benefit model of mutualism are those that

Introduction to Ecology Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Temperature Relations

Water Relations

Energy and Nutrient Relations

Socail Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Life Histories

Competition

Exploitative Interactions Predation, Herbivory, Parasitism, and Disease

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

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Exam 15: Mutualism

Which of the following is not a benefit provided by mutualistic crab and shrimp to the Pocillopora coral?

A cost-benefit model predicts that aspen sunflowers (Helianthella quinquenervis) in shady habitats should be less likely to attract ants than those living in sunny habitats.

Ants on the aspen sunflower, Helianthella quinquenervis, obtain sugars and amino acids by

The photosynthetic zooxanthellae associated with reef-building corals are members of the Phylum ___________.

A calculated range of values that we estimate contains the true mean of a population with a known degree of certainty is called a

The major benefit obtained by zooxanthellae algal cells from their coral host is

What is the 95% confidence interval for the Gila River sample of loach minnows given: mm, s = 6.2 mm, n = 50, and critical value of t = 2.01.

The enlarged thorns of swollen thorn acacias provide ants with

The "unsuccessful mutualists" in Kathleen Keeler's cost-benefit model of mutualism are those that

Introduction to Ecology Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Temperature Relations

Water Relations

Energy and Nutrient Relations

Socail Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Life Histories

Competition

Exploitative Interactions Predation, Herbivory, Parasitism, and Disease

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