Question 1

The term "phylum" is nomenclaturally equivalent to:

Accepted Answer

A)  class. 
B)  division. 
C)  order. 
D)  kingdom. 
E)  family. 
A)  class. 
B)  division. 
C)  order. 
D)  kingdom. 
E)  family. B

Question 2

Phylogeny refers to the:

Accepted Answer

A)  naming of organisms. 
B)  placing of organisms into phyla. 
C)  nomenclature of species. 
D)  evolutionary history of an organism. 
E)  grouping of classes of organisms. 
A)  naming of organisms. 
B)  placing of organisms into phyla. 
C)  nomenclature of species. 
D)  evolutionary history of an organism. 
E)  grouping of classes of organisms. D

Question 3

Water molds and slime molds are included in the _____ group.

Accepted Answer

A)  fungus 
B)  protist 
C)  animal 
D)  archaean 
E)  plant 
A)  fungus 
B)  protist 
C)  animal 
D)  archaean 
E)  plant B

Question 4

If you analyze the neutral mutations from two groups and find there are few differences in their nucleotide sequences, you would logically conclude that the two groups:

Accepted Answer

A)  belong to the same species. 
B)  belong to different species. 
C)  diverged relatively recently from a common ancestor. 
D)  diverged relatively long ago from a common ancestor. 
E)  belong to a monophyletic taxon. 
A)  belong to the same species. 
B)  belong to different species. 
C)  diverged relatively recently from a common ancestor. 
D)  diverged relatively long ago from a common ancestor. 
E)  belong to a monophyletic taxon.

Question 5

A eukaryotic, multicellular organism that absorbs its food belongs to the kingdom:

Accepted Answer

A)  Protista. 
B)  Fungi. 
C)  Animalia. 
D)  Plantae. 
E)  Eukarya. 
A)  Protista. 
B)  Fungi. 
C)  Animalia. 
D)  Plantae. 
E)  Eukarya.

Question 6

By definition, an endosymbiont is an organism that:

Accepted Answer

A)  is a parasite. 
B)  is a phagocyte. 
C)  lives within another, dissimilar organism. 
D)  lives within a nonliving substance. 
E)  forms an organelle within the cells of another organism. 
A)  is a parasite. 
B)  is a phagocyte. 
C)  lives within another, dissimilar organism. 
D)  lives within a nonliving substance. 
E)  forms an organelle within the cells of another organism.

Question 7

The DNA barcode used for animals is _____, and for plants the DNA barcode is ______.

Accepted Answer

A)  CO1 or matK; CO1 
B)  CO1 or rbcL; CO1. 
C)  rbcL or matK; CO1 
D)  CO1; CO1 
E)  CO1; rbcL or matK 
A)  CO1 or matK; CO1 
B)  CO1 or rbcL; CO1. 
C)  rbcL or matK; CO1 
D)  CO1; CO1 
E)  CO1; rbcL or matK

Question 8

Fungi are more closely related to plants than to animals.

Accepted Answer

A) True 
 B)False

Question 9

The binomial for poison ivy is Toxicodendron radicans. To what genus does this plant belong?

Accepted Answer

A)  Toxicodendron 
B)  Radicans 
C)  Toxicodendron radicans 
D)  Poison ivy 
E)  Toxicodendron radicans poison ivy 
A)  Toxicodendron 
B)  Radicans 
C)  Toxicodendron radicans 
D)  Poison ivy 
E)  Toxicodendron radicans poison ivy

Question 10

A multicellular organism that ingests its food belongs to the kingdom:

Accepted Answer

A)  Protista. 
B)  Monera. 
C)  Animalia. 
D)  Plantae. 
E)  Eukarya. 
A)  Protista. 
B)  Monera. 
C)  Animalia. 
D)  Plantae. 
E)  Eukarya.

Question 11

A natural classification system differs from an artificial classification system in that a natural classification system:

Accepted Answer

A)  reflects the evolutionary relationships among organisms. 
B)  is based on plant form: trees, shrubs, undershrubs, and herbs. 
C)  is based on the number and arrangement of stamens in the flower. 
D)  classifies organisms by means of one or a few characters. 
E)  classifies organisms primarily as an aid to identification. 
A)  reflects the evolutionary relationships among organisms. 
B)  is based on plant form: trees, shrubs, undershrubs, and herbs. 
C)  is based on the number and arrangement of stamens in the flower. 
D)  classifies organisms by means of one or a few characters. 
E)  classifies organisms primarily as an aid to identification.

Question 12

The rule of parsimony states that:

Accepted Answer

A)  analogous features should be given more importance than homologous features. 
B)  cladograms should be constructed in the least complicated way. 
C)  character states are distinguished from one another by comparison with outgroups. 
D)  adjacent branches should terminate in a node. 
E)  phylogenetic relationships should be based on ancestral character states. 
A)  analogous features should be given more importance than homologous features. 
B)  cladograms should be constructed in the least complicated way. 
C)  character states are distinguished from one another by comparison with outgroups. 
D)  adjacent branches should terminate in a node. 
E)  phylogenetic relationships should be based on ancestral character states.

Question 13

Which of the following statements about the naming of species and varieties is FALSE?

Accepted Answer

A)  Type specimens serve as a basis for designating the species of other specimens. 
B)  Certain species consist of two or more varieties. 
C)  The varieties of a species that includes the type specimen is named by repeating the specific epithet. 
D)  When used alone, the specific epithet provides valuable taxonomic information. 
E)  Names of genera and species are printed in italic. 
A)  Type specimens serve as a basis for designating the species of other specimens. 
B)  Certain species consist of two or more varieties. 
C)  The varieties of a species that includes the type specimen is named by repeating the specific epithet. 
D)  When used alone, the specific epithet provides valuable taxonomic information. 
E)  Names of genera and species are printed in italic.

Question 14

Which of the following describes zygotic meiosis?

Accepted Answer

A)  It occurs in most plants. 
B)  The zygote is the only diploid cell in the life cycle. 
C)  It results directly in gametes. 
D)  It is characteristic of organisms having an alternation of generations. 
E)  It is characteristic of organisms with isomorphic generations. 
A)  It occurs in most plants. 
B)  The zygote is the only diploid cell in the life cycle. 
C)  It results directly in gametes. 
D)  It is characteristic of organisms having an alternation of generations. 
E)  It is characteristic of organisms with isomorphic generations.

Question 15

One clear evolutionary trend in the vascular plants is the increasing dominance of:

Accepted Answer

A)  the sporophyte. 
B)  the gametophyte. 
C)  zygotic meiosis. 
D)  gametic meiosis. 
E)  isomorphic life cycles. 
A)  the sporophyte. 
B)  the gametophyte. 
C)  zygotic meiosis. 
D)  gametic meiosis. 
E)  isomorphic life cycles.

Question 16

In the Vorticella/Chlorella endosymbiosis:

Accepted Answer

A)  Vorticella functions as the endomembrane system for Chlorella. 
B)  Chlorella provides minerals for Vorticella. 
C)  Chlorella functions as a chloroplast in Vorticella. 
D)  Vorticella functions as a mitochondrion in Chlorella. 
E)  Chlorella provides photosynthetic products for Vorticella. 
A)  Vorticella functions as the endomembrane system for Chlorella. 
B)  Chlorella provides minerals for Vorticella. 
C)  Chlorella functions as a chloroplast in Vorticella. 
D)  Vorticella functions as a mitochondrion in Chlorella. 
E)  Chlorella provides photosynthetic products for Vorticella.

Question 17

Life cycles in which the haploid and diploid forms are similar in external appearance are said to have ______ generations.

Accepted Answer

A)  morphospecific 
B)  isospecific 
C)  isogamous 
D)  heteromorphic 
E)  isomorphic 
A)  morphospecific 
B)  isospecific 
C)  isogamous 
D)  heteromorphic 
E)  isomorphic

Question 18

In natural taxa, all members are descended from the same ancestral species.

Accepted Answer

A) True 
 B)False

Question 19

When the members of a taxon are all descendents of a common single ancestral species, the taxon is said to be:

Accepted Answer

A)  phylogenetic. 
B)  paraphyletic. 
C)  monophyletic. 
D)  polyphyletic. 
E)  amphiphyletic. 
A)  phylogenetic. 
B)  paraphyletic. 
C)  monophyletic. 
D)  polyphyletic. 
E)  amphiphyletic.

Question 20

In secondary endosymbiosis, a ______ is engulfed by a eukaryotic host.

Accepted Answer

A)  cyanobacterial cell 
B)  mitochondrion 
C)  cell containing a primary plastid 
D)  cell containing a secondary plastid 
E)  cell containing a tertiary plastid 
A)  cyanobacterial cell 
B)  mitochondrion 
C)  cell containing a primary plastid 
D)  cell containing a secondary plastid 
E)  cell containing a tertiary plastid

Exam 12: Systematics: the Science of Biological Diversity

The term "phylum" is nomenclaturally equivalent to:

Phylogeny refers to the:

Water molds and slime molds are included in the _____ group.

If you analyze the neutral mutations from two groups and find there are few differences in their nucleotide sequences, you would logically conclude that the two groups:

A eukaryotic, multicellular organism that absorbs its food belongs to the kingdom:

By definition, an endosymbiont is an organism that:

The DNA barcode used for animals is _____, and for plants the DNA barcode is ______.

Fungi are more closely related to plants than to animals.

The binomial for poison ivy is Toxicodendron radicans. To what genus does this plant belong?

A multicellular organism that ingests its food belongs to the kingdom:

A natural classification system differs from an artificial classification system in that a natural classification system:

The rule of parsimony states that:

Which of the following statements about the naming of species and varieties is FALSE?

Which of the following describes zygotic meiosis?

One clear evolutionary trend in the vascular plants is the increasing dominance of:

In the Vorticella/Chlorella endosymbiosis:

Life cycles in which the haploid and diploid forms are similar in external appearance are said to have ______ generations.

In natural taxa, all members are descended from the same ancestral species.

When the members of a taxon are all descendents of a common single ancestral species, the taxon is said to be:

In secondary endosymbiosis, a ______ is engulfed by a eukaryotic host.

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Movement of Substances Into and Out of Cells

The Flow of Energy

Respiration

Photosynthesis, Light, and Life

Sexual Reproduction and Heredity

The Chemistry of Heredity and Gene Expression

Recombinant Dna Technology, Plant Biotechnology, and Genomics

The Process of Evolution

Prokaryotes and Viruses

Fungi

Protists: Algae and Heterotrophic Protists

Bryophytes

Seedless Vascular Plants

Gymnosperms

Introduction to the Angiosperms

Evolution of the Angiosperms

Plants and People

Early Development of the Plant Body

Cells and Tissues of the Plant Body

The Root: Structure and Development

The Shoot: Primary Structure and Development

Secondary Growth in Stems

Regulating Growth and Development: the Plant Hormones

External Factors and Plant Growth

Plant Nutrition and Soils

The Movement of Water and Solutes in Plants

The Dynamics of Communities and Ecosystems

Global Ecology

Filters

The DNA barcode used for animals is _, and for plants the DNA barcode is __.