Question 1

Taxol, a drug treatment for breast and ovarian cancer, was isolated from ____.

Accepted Answer

A)  frog skin 
B)  vascular cambium of a tree 
C)  roots of a tree 
D)  insects 
E)  primates 
A)  frog skin 
B)  vascular cambium of a tree 
C)  roots of a tree 
D)  insects 
E)  primates

Question 2

Conservation efforts using ____ are being used to protect the critically endangered Florida panther by allowing the animals to move safely between fragmented conservation areas.

Accepted Answer

A)  landscape corridors 
B)  ecotourism 
C)  beta-diversity 
D)  population viability analyses 
E)  introduction of nonnative prey species 
A)  landscape corridors 
B)  ecotourism 
C)  beta-diversity 
D)  population viability analyses 
E)  introduction of nonnative prey species

Question 3

Forest burning contributes nearly ____ % of all greenhouse gases released into the atmosphere.

Accepted Answer

A)  5 
B)  10 
C)  20 
D)  30 
E)  50 
A)  5 
B)  10 
C)  20 
D)  30 
E)  50

Question 4

Which field of ecology analyzes how large-scale ecological factors influence local populations and communities?

Accepted Answer

A)  conservation ecology 
B)  mixed-use conservation 
C)  alpha-diversity 
D)  landscape ecology 
E)  community ecology 
A)  conservation ecology 
B)  mixed-use conservation 
C)  alpha-diversity 
D)  landscape ecology 
E)  community ecology

Question 5

The Ngorongoro Conservation Area is an example of ____.

Accepted Answer

A)  conservation through preservation, with people completely excluded 
B)  conservation through preservation, with people allowed only as temporary visitors 
C)  mixed use conservation, with some human residents and livestock grazing 
D)  mixed use conservation, with no human residents and limited livestock grazing 
E)  conservation through restoration, with efforts to remove contaminants underway 
A)  conservation through preservation, with people completely excluded 
B)  conservation through preservation, with people allowed only as temporary visitors 
C)  mixed use conservation, with some human residents and livestock grazing 
D)  mixed use conservation, with no human residents and limited livestock grazing 
E)  conservation through restoration, with efforts to remove contaminants underway

Question 6

A group of neighboring populations that exchange individuals is defined as a ____.

Accepted Answer

A)  metapopulation 
B)  megapopulation 
C)  community 
D)  source population 
E)  sink population 
A)  metapopulation 
B)  megapopulation 
C)  community 
D)  source population 
E)  sink population

Question 7

Which concept reflects the increasing numbers of species present in an area that includes a wide variety of habitats, vegetation types, and small-scale environments?

Accepted Answer

A)  landscape ecology 
B)  the species-area relationship 
C)  conservation biology 
D)  alpha-diversity 
E)  beta-diversity 
A)  landscape ecology 
B)  the species-area relationship 
C)  conservation biology 
D)  alpha-diversity 
E)  beta-diversity

Question 8

What is an invasive species?

Accepted Answer

A)  a nonnative species that often outcompetes native species, leading to their extinction 
B)  a native species that evolves a new trait and occupies more ecological niches 
C)  a nonnative species that enriches the species diversity of a new ecosystem 
D)  a nonnative species that often outcompetes native species, leading to evolution 
E)  a nonnative species that eventually becomes extinct 
A)  a nonnative species that often outcompetes native species, leading to their extinction 
B)  a native species that evolves a new trait and occupies more ecological niches 
C)  a nonnative species that enriches the species diversity of a new ecosystem 
D)  a nonnative species that often outcompetes native species, leading to evolution 
E)  a nonnative species that eventually becomes extinct

Question 9

Which environment would be most likely to harbor a biodiversity hotspot?

Accepted Answer

A)  tropical island 
B)  temperate grassland 
C)  temperate deciduous forest 
D)  desert 
E)  savanna 
A)  tropical island 
B)  temperate grassland 
C)  temperate deciduous forest 
D)  desert 
E)  savanna

Question 10

Teosinte, a wild relative of corn, was crossed with domestic corn in an attempt to produce a ____ variety.

Accepted Answer

A)  herbicide resistant 
B)  pest resistant 
C)  high lysine 
D)  perennial 
E)  higher yielding 
A)  herbicide resistant 
B)  pest resistant 
C)  high lysine 
D)  perennial 
E)  higher yielding

Question 11

In Gibson's experiment with small mammal populations in the tropical forest, ____.

Accepted Answer

A)  most species disappeared from small islands within the first 5-7 years after fragmentation 
B)  all species disappeared from small islands within the first 5-7 years after fragmentation 
C)  populations increased 25 years after fragmentation 
D)  most species disappeared from small islands, but quickly recolonized after 5-7 years 
E)  fragmentation had no effect on small mammal species 
A)  most species disappeared from small islands within the first 5-7 years after fragmentation 
B)  all species disappeared from small islands within the first 5-7 years after fragmentation 
C)  populations increased 25 years after fragmentation 
D)  most species disappeared from small islands, but quickly recolonized after 5-7 years 
E)  fragmentation had no effect on small mammal species

Question 12

Where in the world does most deforestation occur?

Accepted Answer

A)  the taiga in Siberia 
B)  the boreal forest in Canada 
C)  the tropical rainforest in Africa 
D)  the tropical rainforest in South America 
E)  the temperate rainforest in North America 
A)  the taiga in Siberia 
B)  the boreal forest in Canada 
C)  the tropical rainforest in Africa 
D)  the tropical rainforest in South America 
E)  the temperate rainforest in North America

Question 13

Which factor disrupts the life histories of aquatic species?

Accepted Answer

A)  increased sedimentation 
B)  reduced connectivity in river systems 
C)  introduction of nonnative species 
D)  disruption of river flow patterns 
E)  low river volume 
A)  increased sedimentation 
B)  reduced connectivity in river systems 
C)  introduction of nonnative species 
D)  disruption of river flow patterns 
E)  low river volume

Question 14

What is the main factor contributing to the current human-caused mass extinction?

Accepted Answer

A)  increased population growth 
B)  burning of fossil fuels 
C)  the industrial revolution 
D)  global-warming 
E)  decreased population growth 
A)  increased population growth 
B)  burning of fossil fuels 
C)  the industrial revolution 
D)  global-warming 
E)  decreased population growth

Question 15

Which term refers to the concentration of salts in soil?

Accepted Answer

A)  alinization 
B)  desertification 
C)  erosion 
D)  deforestation 
E)  overexploitation 
A)  alinization 
B)  desertification 
C)  erosion 
D)  deforestation 
E)  overexploitation

Question 16

When subtropical forest is cleared, which biome is most likely to replace it?

Accepted Answer

A)  grassland suitable for grazing 
B)  cropland ideal for agriculture 
C)  young forest with the same species 
D)  desert with poor, eroded soil 
E)  chaparral with grass and low bushes 
A)  grassland suitable for grazing 
B)  cropland ideal for agriculture 
C)  young forest with the same species 
D)  desert with poor, eroded soil 
E)  chaparral with grass and low bushes

Question 17

The oldest known Bd infections in the world dated to ____.

Accepted Answer

A)  1894 in Brazil 
B)  1894 in Korea 
C)  1900 in Illinois 
D)  1911 in Korea 
E)  1900 in Brazil 
A)  1894 in Brazil 
B)  1894 in Korea 
C)  1900 in Illinois 
D)  1911 in Korea 
E)  1900 in Brazil

Question 18

Match between columns
                        Premises: in danger of extinction throughout all or a significant portion of its range
indirect benefits from normal activity of ecological processes
non-native organisms in an ecosystem
used to determine how large a population must be to ensure its long-term survival
interdisciplinary science that focuses on the maintenance and preservation of biodiversity

Accepted Answer

The Answer of conservation biology and desertification and ecosystem valuation is...

Question 19

Ecotourism measures ecosystem services such as carbon dioxide processing or water retention and purification.

Accepted Answer

A) True 
 B)False

Question 20

Which group includes the highest proportion of critically endangered, endangered, and vulnerable species?

Accepted Answer

A)  cone snails 
B)  conifers 
C)  freshwater shrimps 
D)  reef-forming corals 
E)  cycads 
A)  cone snails 
B)  conifers 
C)  freshwater shrimps 
D)  reef-forming corals 
E)  cycads

Exam 55: Biodiversity and Conservation Biology

Taxol, a drug treatment for breast and ovarian cancer, was isolated from ____.

Conservation efforts using ____ are being used to protect the critically endangered Florida panther by allowing the animals to move safely between fragmented conservation areas.

Forest burning contributes nearly ____ % of all greenhouse gases released into the atmosphere.

Which field of ecology analyzes how large-scale ecological factors influence local populations and communities?

The Ngorongoro Conservation Area is an example of ____.

A group of neighboring populations that exchange individuals is defined as a ____.

Which concept reflects the increasing numbers of species present in an area that includes a wide variety of habitats, vegetation types, and small-scale environments?

What is an invasive species?

Which environment would be most likely to harbor a biodiversity hotspot?

Teosinte, a wild relative of corn, was crossed with domestic corn in an attempt to produce a ____ variety.

In Gibson's experiment with small mammal populations in the tropical forest, ____.

Where in the world does most deforestation occur?

Which factor disrupts the life histories of aquatic species?

What is the main factor contributing to the current human-caused mass extinction?

Which term refers to the concentration of salts in soil?

When subtropical forest is cleared, which biome is most likely to replace it?

The oldest known Bd infections in the world dated to ____.

Ecotourism measures ecosystem services such as carbon dioxide processing or water retention and purification.

Which group includes the highest proportion of critically endangered, endangered, and vulnerable species?

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Expression: From Dna to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technology: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Digestive Systems and Animal Nutrition

Regulating the Internal Environment: Osmoregulation, Excretion, and Thermoregulation

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Animal Behavior

Filters