Question 1

The experimental setup shown in the figure was designed to test which of the following?

Accepted Answer

A)  the economy of scale of slime mold slugs and amoebas regarding efficiency of travel 
B)  the reproductive ability of slime mold slugs and amoebas 
C)  the consumption of amoebas by slime mold slugs 
D)  competition between slime mold slugs and amoebas 
A)  the economy of scale of slime mold slugs and amoebas regarding efficiency of travel 
B)  the reproductive ability of slime mold slugs and amoebas 
C)  the consumption of amoebas by slime mold slugs 
D)  competition between slime mold slugs and amoebas A

Question 2

The product of the regA gene in Volvox carteri suppresses the production of chloroplast proteins. The production of these chloroplast proteins causes cells to grow. When the regA gene is expressed

Accepted Answer

A)  cells grow large and become germ cells. 
B)  cells stay small and become somatic cells. 
C)  cells grow flagella and become germ cells. 
D)  flagella growth is suppressed and cells become soma. 
A)  cells grow large and become germ cells. 
B)  cells stay small and become somatic cells. 
C)  cells grow flagella and become germ cells. 
D)  flagella growth is suppressed and cells become soma. C

Question 3

Based on the figure, if a plant and nonplant mitochondrial genome contain the same gene, did they inherit the gene from a common ancestor? Explain your reasoning.

Accepted Answer

Yes, the shared gene was likely inherited from a common ancestor. All mitochondrial genes originated from one acquisition of mitochondria; thus, all mitochondrial genes have one ancestral origin.

Question 4

Eukaryotes share

Accepted Answer

A)  all of their genes with archaea. 
B)  all of their genes with bacteria. 
C)  more transcription- and translation-associated genes with archaea and more metabolic genes with bacteria. 
D)  more transcription- and translation-associated genes with bacteria and more metabolic genes with archaea. 
A)  all of their genes with archaea. 
B)  all of their genes with bacteria. 
C)  more transcription- and translation-associated genes with archaea and more metabolic genes with bacteria. 
D)  more transcription- and translation-associated genes with bacteria and more metabolic genes with archaea.

Question 5

What unites the organisms shown in the figure?

Accepted Answer

A)  They are all single celled. 
B)  They all have chloroplasts. 
C)  They are all archaea. 
D)  They are all eukaryotes. 
A)  They are all single celled. 
B)  They all have chloroplasts. 
C)  They are all archaea. 
D)  They are all eukaryotes.

Question 6

Why must cheaters be identifiable in group living at any level (such as an individual cell within a multicellular organism, or an individual animal within a social group)?

Accepted Answer

If cheaters cannot be identified, then t

Question 7

The figure illustrates the relationship between the distance to a food source and duration of the "straight run" portion of a honeybee's waggle dance in the hive. If a forager returned to the hive with food and did a straight run of 1.5 seconds, how far would other foragers go to find food?

Accepted Answer

A)  500 meters 
B)  1,000 meters 
C)  2,000 meters 
D)  4,000 meters 
A)  500 meters 
B)  1,000 meters 
C)  2,000 meters 
D)  4,000 meters

Question 8

From where do the "extra" membranes arise in mitochondria, chloroplasts, and apicoplasts?

Accepted Answer

In a primary endosymbiosis event, the en

Question 9

Why do groups offer protection in foraging?

Accepted Answer

A)  Large groups draw the attention of predators. 
B)  Predator targeting increases with group size. 
C)  The probability of a predator attack increases with increased group size. 
D)  Many eyes detect predators more quickly. 
A)  Large groups draw the attention of predators. 
B)  Predator targeting increases with group size. 
C)  The probability of a predator attack increases with increased group size. 
D)  Many eyes detect predators more quickly.

Question 10

The transition from unicellularity to multicellularity

Accepted Answer

A)  has occurred once. 
B)  is an obligate condition. 
C)  occurs only in slime molds. 
D)  must convey a selective advantage to individuals if it is to occur. 
A)  has occurred once. 
B)  is an obligate condition. 
C)  occurs only in slime molds. 
D)  must convey a selective advantage to individuals if it is to occur.

Question 11

What are three commonalities to John Maynard Smith and Eörs Szathmary's major transitions?

Accepted Answer

1) Individuals give up the ability to re

Question 12

Draw a graph that illustrates the relationship between foraging ability and group size where group living is beneficial. On the same graph, draw a line of the relationship if group living was not beneficial.

Accepted Answer

Along the x-axis should be group size, a

Question 13

Describe Lynn Margulis' endosymbiotic theory on the evolution of mitochondria and chloroplasts.

Accepted Answer

In 1970, Margulis hypothesized that mito

Question 14

The complete division between soma and germ line cells may have been an evolutionary response to which of the following selective pressures?

Accepted Answer

A)  the presence of predators 
B)  the presence of pathogens 
C)  certain cells acting as "cheaters" that overrepresent themselves in the next generation 
D)  the ability to move more quickly toward a food source 
A)  the presence of predators 
B)  the presence of pathogens 
C)  certain cells acting as "cheaters" that overrepresent themselves in the next generation 
D)  the ability to move more quickly toward a food source

Question 15

Which of the following is NOT an organelle that is thought to be the result of endosymbiosis?

Accepted Answer

A)  mitochondrion 
B)  chloroplast 
C)  apicoplast 
D)  endoplasmic reticulum 
A)  mitochondrion 
B)  chloroplast 
C)  apicoplast 
D)  endoplasmic reticulum

Question 16

Based on the figure, which of the following clades experienced evolutionary radiation most recently?

Accepted Answer

A)  land plants 
B)  extant eukaryotes 
C)  animals 
D)  opisthokonts 
A)  land plants 
B)  extant eukaryotes 
C)  animals 
D)  opisthokonts

Question 17

Give an example of differentiation of tasks at the individual level and an example at the group level.

Accepted Answer

At the individual level, different cell

Question 18

What are apicoplasts, and what is the advantage of using them as a drug target for the treatment of malaria?

Accepted Answer

Apicoplasts are organelles found in a ph

Question 19

Which process was responsible for evolution of apicoplasts?

Accepted Answer

A)  primary endosymbiosis 
B)  secondary endosymbiosis 
C)  gene migration 
D)  horizontal gene transfer 
A)  primary endosymbiosis 
B)  secondary endosymbiosis 
C)  gene migration 
D)  horizontal gene transfer

Question 20

Which of the following is seen when a multicellular organism has many specialized cell types, resulting in a division of labor between reproductive functions and growth and maintenance functions?

Accepted Answer

A)  germ-soma distinction 
B)  information transfer 
C)  sacrifice of the ability to reproduce 
D)  economy of scale 
A)  germ-soma distinction 
B)  information transfer 
C)  sacrifice of the ability to reproduce 
D)  economy of scale

The experimental setup shown in the figure was designed to test which of the following?

The product of the regA gene in Volvox carteri suppresses the production of chloroplast proteins. The production of these chloroplast proteins causes cells to grow. When the regA gene is expressed

Based on the figure, if a plant and nonplant mitochondrial genome contain the same gene, did they inherit the gene from a common ancestor? Explain your reasoning.

Eukaryotes share

What unites the organisms shown in the figure?

Why must cheaters be identifiable in group living at any level (such as an individual cell within a multicellular organism, or an individual animal within a social group)?

The figure illustrates the relationship between the distance to a food source and duration of the "straight run" portion of a honeybee's waggle dance in the hive. If a forager returned to the hive with food and did a straight run of 1.5 seconds, how far would other foragers go to find food?

From where do the "extra" membranes arise in mitochondria, chloroplasts, and apicoplasts?

Why do groups offer protection in foraging?

The transition from unicellularity to multicellularity

What are three commonalities to John Maynard Smith and Eörs Szathmary's major transitions?

Draw a graph that illustrates the relationship between foraging ability and group size where group living is beneficial. On the same graph, draw a line of the relationship if group living was not beneficial.

Describe Lynn Margulis' endosymbiotic theory on the evolution of mitochondria and chloroplasts.

The complete division between soma and germ line cells may have been an evolutionary response to which of the following selective pressures?

Which of the following is NOT an organelle that is thought to be the result of endosymbiosis?

Based on the figure, which of the following clades experienced evolutionary radiation most recently?

Give an example of differentiation of tasks at the individual level and an example at the group level.

What are apicoplasts, and what is the advantage of using them as a drug target for the treatment of malaria?

Which process was responsible for evolution of apicoplasts?

Which of the following is seen when a multicellular organism has many specialized cell types, resulting in a division of labor between reproductive functions and growth and maintenance functions?

An Overview of Evolutionary Biology

Early Evolutionary Ideas and Darwin S Insight

Natural Selection

Phylogeny and Evolutionary History

Inferring Phylogeny

Transmission Genetics and the Sources of Genetic Variation

The Genetics of Populations

Evolution in Finite Populations

Evolution at Multiple Loci

Genome Evolution

The Origin and Evolution of Early Life

Evolution and Development

Species and Speciation

Extinction and Evolutionary Trends

The Evolution of Sex

The Evolution of Sociality

Coevolution

Human Evolution

Evolution and Medicine

Filters

Exam 12: Major Transitions

The experimental setup shown in the figure was designed to test which of the following?

The product of the regA gene in Volvox carteri suppresses the production of chloroplast proteins. The production of these chloroplast proteins causes cells to grow. When the regA gene is expressed

Based on the figure, if a plant and nonplant mitochondrial genome contain the same gene, did they inherit the gene from a common ancestor? Explain your reasoning.

Eukaryotes share

What unites the organisms shown in the figure?

Why must cheaters be identifiable in group living at any level (such as an individual cell within a multicellular organism, or an individual animal within a social group)?

The figure illustrates the relationship between the distance to a food source and duration of the "straight run" portion of a honeybee's waggle dance in the hive. If a forager returned to the hive with food and did a straight run of 1.5 seconds, how far would other foragers go to find food?

From where do the "extra" membranes arise in mitochondria, chloroplasts, and apicoplasts?

Why do groups offer protection in foraging?

The transition from unicellularity to multicellularity

What are three commonalities to John Maynard Smith and Eörs Szathmary's major transitions?

Draw a graph that illustrates the relationship between foraging ability and group size where group living is beneficial. On the same graph, draw a line of the relationship if group living was not beneficial.

Describe Lynn Margulis' endosymbiotic theory on the evolution of mitochondria and chloroplasts.

The complete division between soma and germ line cells may have been an evolutionary response to which of the following selective pressures?

Which of the following is NOT an organelle that is thought to be the result of endosymbiosis?

Based on the figure, which of the following clades experienced evolutionary radiation most recently?

Give an example of differentiation of tasks at the individual level and an example at the group level.

What are apicoplasts, and what is the advantage of using them as a drug target for the treatment of malaria?

Which process was responsible for evolution of apicoplasts?

Which of the following is seen when a multicellular organism has many specialized cell types, resulting in a division of labor between reproductive functions and growth and maintenance functions?

An Overview of Evolutionary Biology

Early Evolutionary Ideas and Darwin S Insight

Natural Selection

Phylogeny and Evolutionary History

Inferring Phylogeny

Transmission Genetics and the Sources of Genetic Variation

The Genetics of Populations

Evolution in Finite Populations

Evolution at Multiple Loci

Genome Evolution

The Origin and Evolution of Early Life

Evolution and Development

Species and Speciation

Extinction and Evolutionary Trends

The Evolution of Sex

The Evolution of Sociality

Coevolution

Human Evolution

Evolution and Medicine

Filters