Question 1

What criteria best characterize membership in the kingdom Protista?

Accepted Answer

A)  A continuous lineage of descent from a common ancestor. 
B)  A large assortment of unique shared derived traits. 
C)  A common evolutionary heritage. 
D)  The inability to meet the characteristics that define each of the remaining eukaryotic kingdoms. 
A)  A continuous lineage of descent from a common ancestor. 
B)  A large assortment of unique shared derived traits. 
C)  A common evolutionary heritage. 
D)  The inability to meet the characteristics that define each of the remaining eukaryotic kingdoms.

Question 2

Without the symbiotic association between plant roots and mycorrhizae,the diversity and abundance of both animals and fungi would probably be much less.

Accepted Answer

A) True 
 B)False

Question 3

Flowers are the organs of reproduction in angiosperms.

Accepted Answer

A) True 
 B)False

Question 4

Imagine the discovery of a previously undescribed nonphotosynthetic multicellular organism.Microscopic examination should verify if its cells ________,and therefore,it should be assigned to the ________ .

Accepted Answer

A)  have cell walls; kingdom Animalia or Fungi 
B)  contain nuclei; domain Eukarya or Bacteria 
C)  have cell walls; kingdom Plantae or Animalia 
D)  contain mitochondria; kingdom Animalia or Fungi 
A)  have cell walls; kingdom Animalia or Fungi 
B)  contain nuclei; domain Eukarya or Bacteria 
C)  have cell walls; kingdom Plantae or Animalia 
D)  contain mitochondria; kingdom Animalia or Fungi

Question 5

Lichen can be useful as pollution indicator species; lacking a cuticle,they tend to readily absorb airborne pollutants.

Accepted Answer

A) True 
 B)False

Question 6

Non-human species throughout the world are imperiled by habitat loss,climate change,and introduced species,but the greatest threat to biodiversity and the immediate cause of each specific problem,is the rate of human population ________.

Accepted Answer

The answer of Non-human species throughout the world are imperiled...

Question 7

The domain Eukarya is presently subdivided into four kingdoms as shown,although new information concerning the protists could increase that number.

Accepted Answer

A) True 
 B)False

Question 8

The defining feature of the angiosperms is the ________.

Accepted Answer

The answer of The defining feature of the angiosperms is...

Question 9

Which resource is properly matched with its source?

Accepted Answer

A)  pharmaceuticals-Angiosperms 
B)  wood and lumber-Bryophytes 
C)  food-Gymnosperms 
D)  pharmaceuticals -Pteridophytes 
A)  pharmaceuticals-Angiosperms 
B)  wood and lumber-Bryophytes 
C)  food-Gymnosperms 
D)  pharmaceuticals -Pteridophytes

Question 10

Although exceptions exist,reproduction in most eukaryotes involves

Accepted Answer

A)  two individuals combining DNA during the formation of a new organism. 
B)  one individual dividing to make two identical organisms. 
C)  two individuals fusing to form one organism. 
D)  the cells of an individual dividing. 
A)  two individuals combining DNA during the formation of a new organism. 
B)  one individual dividing to make two identical organisms. 
C)  two individuals fusing to form one organism. 
D)  the cells of an individual dividing.

Question 11

Fungi contribute to several important ecosystem processes; among the most important is ________ organic matter.

Accepted Answer

The answer of Fungi contribute to several important ecosystem processes;...

Question 12

Stomata normally open and close throughout the day; however,if unable to close,plant tissues could be damaged as

Accepted Answer

A)  excess carbon dioxide reaches toxic levels within the leaf. 
B)  oxygen escapes, creating a hypoxia within the leaf tissues. 
C)  water rapidly escapes, causing dehydration. 
D)  pathogens such as bacteria, protists, or viruses gain access to the interior of a leaf. 
A)  excess carbon dioxide reaches toxic levels within the leaf. 
B)  oxygen escapes, creating a hypoxia within the leaf tissues. 
C)  water rapidly escapes, causing dehydration. 
D)  pathogens such as bacteria, protists, or viruses gain access to the interior of a leaf.

Question 13

An important adaptation for terrestrial life that helps keep terrestrial plants from desiccating when exposed to sun and wind is a waxy covering known as the ________

Accepted Answer

The answer of An important adaptation for terrestrial life that...

Question 14

Sexual reproduction can be observed in all the Eukarya kingdoms,although not in all Eukarya species.

Accepted Answer

A) True 
 B)False

Question 15

What resources do plants use to produce the sugar molecules that plant cells use for fuel?

Accepted Answer

A)  carbon dioxide, water, and light energy 
B)  water and pond scum 
C)  nitrogen and oxygen 
D)  water, nitrogen, and iron 
A)  carbon dioxide, water, and light energy 
B)  water and pond scum 
C)  nitrogen and oxygen 
D)  water, nitrogen, and iron

Question 16

The kingdom Protista is quite diverse and the relationship among its various members is unclear.The best method of clarifying those relationships will require that biologists

Accepted Answer

A)  remove the kingdom from Eukarya and place it in its own domain. 
B)  match each of the protist traits with the corresponding animal trait of the common ancestor. 
C)  separate the eukaryotic protists from the prokaryotic protists. 
D)  create an evolutionary tree for the group using comparative DNA data. 
A)  remove the kingdom from Eukarya and place it in its own domain. 
B)  match each of the protist traits with the corresponding animal trait of the common ancestor. 
C)  separate the eukaryotic protists from the prokaryotic protists. 
D)  create an evolutionary tree for the group using comparative DNA data.

Question 17

The most ancient eukaryotic fossils are similar to red algae,a type of ________abundant today.

Accepted Answer

A)  fungi 
B)  bacteria 
C)  protist 
D)  plant 
A)  fungi 
B)  bacteria 
C)  protist 
D)  plant

Question 18

Cells perform many complex processes; in what way does the membranous compartmentalization seen in eukaryotes aid in these processes?

Accepted Answer

A)  Specific compartmental membranes can have unique sets of transport proteins that allow the compartment to accumulate and concentrate the necessary chemical reactants. 
B)  Protecting sperm and ova within membranous compartments prior to their release improves the success of sexually reproducing species. 
C)  Toxic by-products such as oxygen and carbon dioxide can be permanently stored within compartments dedicated to waste containment. 
D)  If cells are accidentally damaged, the random distribution of compartmentalized components ensures that any fragment will be able to survive and assume an independent life. 
A)  Specific compartmental membranes can have unique sets of transport proteins that allow the compartment to accumulate and concentrate the necessary chemical reactants. 
B)  Protecting sperm and ova within membranous compartments prior to their release improves the success of sexually reproducing species. 
C)  Toxic by-products such as oxygen and carbon dioxide can be permanently stored within compartments dedicated to waste containment. 
D)  If cells are accidentally damaged, the random distribution of compartmentalized components ensures that any fragment will be able to survive and assume an independent life.

Question 19

The tendency toward sexual reproduction in the more complex eukaryotes suggests a greater number of benefits than asexual reproduction; one potential benefit could be

Accepted Answer

A)  greater genetic variability between parents and offspring. 
B)  an increase in the number of potential mates. 
C)  the speed of reproduction and the opportunistic colonization of newly located habitat. 
D)  the specialization of gender roles within the population. 
A)  greater genetic variability between parents and offspring. 
B)  an increase in the number of potential mates. 
C)  the speed of reproduction and the opportunistic colonization of newly located habitat. 
D)  the specialization of gender roles within the population.

Question 20

Most protists are motile,using cilia,flagella,or ________ for propulsion.

Accepted Answer

The answer of Most protists are motile,using cilia,flagella,or ________ for...

Exam 18: Protista, Plantae, and Fungi

What criteria best characterize membership in the kingdom Protista?

Without the symbiotic association between plant roots and mycorrhizae,the diversity and abundance of both animals and fungi would probably be much less.

Flowers are the organs of reproduction in angiosperms.

Imagine the discovery of a previously undescribed nonphotosynthetic multicellular organism.Microscopic examination should verify if its cells ________,and therefore,it should be assigned to the ________ .

Lichen can be useful as pollution indicator species; lacking a cuticle,they tend to readily absorb airborne pollutants.

Non-human species throughout the world are imperiled by habitat loss,climate change,and introduced species,but the greatest threat to biodiversity and the immediate cause of each specific problem,is the rate of human population ________.

The domain Eukarya is presently subdivided into four kingdoms as shown,although new information concerning the protists could increase that number.

The defining feature of the angiosperms is the ________.

Which resource is properly matched with its source?

Although exceptions exist,reproduction in most eukaryotes involves

Fungi contribute to several important ecosystem processes; among the most important is ________ organic matter.

Stomata normally open and close throughout the day; however,if unable to close,plant tissues could be damaged as

An important adaptation for terrestrial life that helps keep terrestrial plants from desiccating when exposed to sun and wind is a waxy covering known as the ________

Sexual reproduction can be observed in all the Eukarya kingdoms,although not in all Eukarya species.

What resources do plants use to produce the sugar molecules that plant cells use for fuel?

The kingdom Protista is quite diverse and the relationship among its various members is unclear.The best method of clarifying those relationships will require that biologists

The most ancient eukaryotic fossils are similar to red algae,a type of ________abundant today.

Cells perform many complex processes; in what way does the membranous compartmentalization seen in eukaryotes aid in these processes?

The tendency toward sexual reproduction in the more complex eukaryotes suggests a greater number of benefits than asexual reproduction; one potential benefit could be

Most protists are motile,using cilia,flagella,or ________ for propulsion.

The Nature of Science and the Characteristics of Life

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photo Synthesis and Cellular Respiration

Cell Division

Cancer and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

DNA and Genes

From Gene to Protein

DNA Technology

How Evolution Works

The Origin of Species

The Evolution of Biodiversity

Biological Diversity, Bacteria, and Archaea

Animalia

The Biosphere

Growth of Populations

Animal Behavior

Ecological Communities

Ecosystems

Global Change

Filters

Imagine the discovery of a previously undescribed nonphotosynthetic multicellular organism.Microscopic examination should verify if its cells ,and therefore,it should be assigned to the .