Question 1

In Figure 8.6a,what reasons might explain why specialists survive better than generalists?

Accepted Answer

A)  Generalists have likely not evolved adaptations to process toxins. 
B)  Generalists are always less fit than specialists. 
C)  Specialists have evolved adaptations to specific plant toxins since they are usually coevolving. 
D)  Generalists must evolve adaptations that allow them to process quantitative plant chemical defenses. 
A)  Generalists have likely not evolved adaptations to process toxins. 
B)  Generalists are always less fit than specialists. 
C)  Specialists have evolved adaptations to specific plant toxins since they are usually coevolving. 
D)  Generalists must evolve adaptations that allow them to process quantitative plant chemical defenses.

Question 2

An __________ is a finely branched intracellular cluster of fungi found in plant host cells.

Accepted Answer

A)  Ectomycorrhiza 
B)  Ectosymbiont 
C)  Arbuscule 
D)  Epiphyte 
A)  Ectomycorrhiza 
B)  Ectosymbiont 
C)  Arbuscule 
D)  Epiphyte

Question 3

Do Tuberculatus quercicola that are farmed by Formica yesensis experience any type of tradeoff?

Accepted Answer

A)  No, it is a beneficial relationship for both ants and aphids. 
B)  Yes, aphids pay a price because their fecundity and growth are reduced. 
C)  No, aphids are protected from predators by the ants and the populations never suffer. 
D)  Yes, aphids suffer reduced fecundity and growth, and the population also experiences losses from predators. 
A)  No, it is a beneficial relationship for both ants and aphids. 
B)  Yes, aphids pay a price because their fecundity and growth are reduced. 
C)  No, aphids are protected from predators by the ants and the populations never suffer. 
D)  Yes, aphids suffer reduced fecundity and growth, and the population also experiences losses from predators.

Question 4

What are a few examples of how molecular markers have informed our understanding of the Asian elephant as a species?

Accepted Answer

A)  Molecular markers indicate that Asian elephants are two species. 
B)  Molecular markers have shown us that there are distinct clades of Asian elephants. 
C)  The results suggest that the two elephant species arose independently. 
D)  The results suggest that elephants were moved from regions by humans. 
A)  Molecular markers indicate that Asian elephants are two species. 
B)  Molecular markers have shown us that there are distinct clades of Asian elephants. 
C)  The results suggest that the two elephant species arose independently. 
D)  The results suggest that elephants were moved from regions by humans.

Question 5

Which term describes what a molecular marker is?

Accepted Answer

A)  It is a section of DNA sequence that can be used to characterize variation in nucleotide bases. 
B)  It is a barcode added to DNA. 
C)  It is a copied sequence of a person's genome that is then a target for DNA barcoding. 
D)  All of the above. 
A)  It is a section of DNA sequence that can be used to characterize variation in nucleotide bases. 
B)  It is a barcode added to DNA. 
C)  It is a copied sequence of a person's genome that is then a target for DNA barcoding. 
D)  All of the above.

Question 6

In Figure 8.6b,why would generalists survive better than specialists?

Accepted Answer

A)  There are not enough data to determine this. 
B)  Generalists can more efficiently handle toxins with high specificity. 
C)  Generalists did not survive more than specialists. 
D)  Specialists have likely evolved adaptations to deal with a specific compound, whereas generalists must have adaptations for an array of compounds. 
A)  There are not enough data to determine this. 
B)  Generalists can more efficiently handle toxins with high specificity. 
C)  Generalists did not survive more than specialists. 
D)  Specialists have likely evolved adaptations to deal with a specific compound, whereas generalists must have adaptations for an array of compounds.

Question 7

According to Figure 8.5a,the historic red wolf zone was:

Accepted Answer

A)  Sympatric with C. latrans, C. lupis, and admixed zones of grey wolves and coyotes. 
B)  Was isolated from C. latrans. 
C)  Was isolated from the admixed zone of grey wolves and C. lupus. 
D)  Misrepresented and never existed. 
A)  Sympatric with C. latrans, C. lupis, and admixed zones of grey wolves and coyotes. 
B)  Was isolated from C. latrans. 
C)  Was isolated from the admixed zone of grey wolves and C. lupus. 
D)  Misrepresented and never existed.

Question 8

Which of the following defines plant quantitative compounds?

Accepted Answer

A)  Chemicals that plants produce when attacked, that are toxic or poisonous, and have high specificity. 
B)  Chemicals that plants always produce, reduce digestion when consumed, and accumulate ill effects. 
C)  Chemicals that plants produce when attacked, that reduce digestion when consumed, and have high specificity. 
D)  Chemicals that plants always produce, that are toxic or poisonous, and have high specificity. 
A)  Chemicals that plants produce when attacked, that are toxic or poisonous, and have high specificity. 
B)  Chemicals that plants always produce, reduce digestion when consumed, and accumulate ill effects. 
C)  Chemicals that plants produce when attacked, that reduce digestion when consumed, and have high specificity. 
D)  Chemicals that plants always produce, that are toxic or poisonous, and have high specificity.

Question 9

What is a molecular marker?

Accepted Answer

A)  It is a section of DNA sequence that can be used to characterize variation in nucleotide bases 
B)  It is DNA from the mitochondrion 
C)  It is a part of the genome that does not code for a protein 
D)  It is a section of DNA sequences that can be used to evaluate polymorphisms 
A)  It is a section of DNA sequence that can be used to characterize variation in nucleotide bases 
B)  It is DNA from the mitochondrion 
C)  It is a part of the genome that does not code for a protein 
D)  It is a section of DNA sequences that can be used to evaluate polymorphisms

Question 10

________ are found in roughly two-thirds of all plant species.

Accepted Answer

A)  Ectosymbionts 
B)  Arbuscular mycorrhizas 
C)  Ericoid mycorrhizas 
D)  Endosymbionts 
A)  Ectosymbionts 
B)  Arbuscular mycorrhizas 
C)  Ericoid mycorrhizas 
D)  Endosymbionts

In Figure 8.6a,what reasons might explain why specialists survive better than generalists?

An __________ is a finely branched intracellular cluster of fungi found in plant host cells.

Do Tuberculatus quercicola that are farmed by Formica yesensis experience any type of tradeoff?

What are a few examples of how molecular markers have informed our understanding of the Asian elephant as a species?

Which term describes what a molecular marker is?

In Figure 8.6b,why would generalists survive better than specialists?

According to Figure 8.5a,the historic red wolf zone was:

Which of the following defines plant quantitative compounds?

What is a molecular marker?

________ are found in roughly two-thirds of all plant species.

Ecology and How to Do It

Ecology’s Evolutionary Backdrop

Physical Conditions and the Availability of Resources

Climate and the World’s Biomes

Birth, Death and Movement

Interspecific Competition

Predation, Grazing and Disease

From Populations to Communities

Patterns in Species Richness

The Flux of Energy and Matter Through Ecosystems

Global Biogeochemical Cycles and Their Alteration by Humans

Conservation Ecology

The Ecology of Human Population Growth, Disease, and Food Supply

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Exam 8: Molecular and Evolutionary Ecology

In Figure 8.6a,what reasons might explain why specialists survive better than generalists?

An __________ is a finely branched intracellular cluster of fungi found in plant host cells.

Do Tuberculatus quercicola that are farmed by Formica yesensis experience any type of tradeoff?

What are a few examples of how molecular markers have informed our understanding of the Asian elephant as a species?

Which term describes what a molecular marker is?

In Figure 8.6b,why would generalists survive better than specialists?

According to Figure 8.5a,the historic red wolf zone was:

Which of the following defines plant quantitative compounds?

What is a molecular marker?

________ are found in roughly two-thirds of all plant species.

Ecology and How to Do It

Ecology’s Evolutionary Backdrop

Physical Conditions and the Availability of Resources

Climate and the World’s Biomes

Birth, Death and Movement

Interspecific Competition

Predation, Grazing and Disease

From Populations to Communities

Patterns in Species Richness

The Flux of Energy and Matter Through Ecosystems

Global Biogeochemical Cycles and Their Alteration by Humans

Conservation Ecology

The Ecology of Human Population Growth, Disease, and Food Supply

Filters