Question 1

Biologists believe that whooping cranes suffer from a high rate of developmental deformities of the spine and trachea because of ____.

Accepted Answer

A)  biological magnification of DDT 
B)  exposure to hormone-mimicking pollutants from plastics 
C)  a population bottleneck and loss of genetic variability 
D)  conservation biologists saving chicks that would have died at hatching 
E)  exposure to PCBs used as insulators in electronics 
A)  biological magnification of DDT 
B)  exposure to hormone-mimicking pollutants from plastics 
C)  a population bottleneck and loss of genetic variability 
D)  conservation biologists saving chicks that would have died at hatching 
E)  exposure to PCBs used as insulators in electronics

Question 2

Populations that occupy ____ inevitably experience low carrying capacities.

Accepted Answer

A)  ecotones 
B)  endangered habitats 
C)  small habitat patches 
D)  large habitat patches 
E)  small ecological niches 
A)  ecotones 
B)  endangered habitats 
C)  small habitat patches 
D)  large habitat patches 
E)  small ecological niches

Question 3

Briefly describe some of the pros and cons of using ecotourism to generate income from a natural area.

Accepted Answer

Ecotourism employs local people and incr

Question 4

More than 90% of deforestation occurs in tropical regions.

Accepted Answer

A) True 
 B)False

Question 5

Provisioning services ____.

Accepted Answer

A)  are critical functions that preserve and recycle resources upon which ecosystems depend 
B)  transfer CO2to a nutrient compartment in the biosphere 
C)  enable populations to function within their food webs 
D)  describe the availability of plants, animals, and other materials useful to all organisms 
E)  involves planting crops for use by many organisms 
A)  are critical functions that preserve and recycle resources upon which ecosystems depend 
B)  transfer CO2to a nutrient compartment in the biosphere 
C)  enable populations to function within their food webs 
D)  describe the availability of plants, animals, and other materials useful to all organisms 
E)  involves planting crops for use by many organisms

Question 6

Scientists at the Natural History Museum in London estimate that more than ____ percent of living species have not yet been discovered.

Accepted Answer

A)  11 
B)  27 
C)  32 
D)  56 
E)  98 
A)  11 
B)  27 
C)  32 
D)  56 
E)  98

Question 7

The smallest population that fits specifications of a conservation plan is a(n) ____.

Accepted Answer

A)  target population 
B)  endangered population 
C)  minimum viable population size 
D)  an entire ecosystem 
E)  threatened species 
A)  target population 
B)  endangered population 
C)  minimum viable population size 
D)  an entire ecosystem 
E)  threatened species

Question 8

Which statement best summarizes the results of the experiment by Damschen and her colleagues on the effect of landscape corridors on species richness?

Accepted Answer

A)  Habitat patches with landscape corridors are at higher risk of encroachment by exotic species than are isolated habitat patches. 
B)  Over time, the number of native species harbored by habitat patches with landscape corridors was increasingly greater than in isolated habitat patches. 
C)  The number of both native and exotic species increased over time in habitat patches that were connected by landscape corridors. 
D)  The number of native species increased over time in isolated habitat patches but not in those connected by corridors. 
E)  The number of exotic and native species decreased in patches connected by landscape corridors. 
A)  Habitat patches with landscape corridors are at higher risk of encroachment by exotic species than are isolated habitat patches. 
B)  Over time, the number of native species harbored by habitat patches with landscape corridors was increasingly greater than in isolated habitat patches. 
C)  The number of both native and exotic species increased over time in habitat patches that were connected by landscape corridors. 
D)  The number of native species increased over time in isolated habitat patches but not in those connected by corridors. 
E)  The number of exotic and native species decreased in patches connected by landscape corridors.

Question 9

Define conservation biology and distinguish it from the science of ecology.

Accepted Answer

Conservation biology is a science that s

Exam 55: Biodiversity and Conservation Biology

Biologists believe that whooping cranes suffer from a high rate of developmental deformities of the spine and trachea because of ____.

Populations that occupy ____ inevitably experience low carrying capacities.

Briefly describe some of the pros and cons of using ecotourism to generate income from a natural area.

More than 90% of deforestation occurs in tropical regions.

Provisioning services ____.

Scientists at the Natural History Museum in London estimate that more than ____ percent of living species have not yet been discovered.

The smallest population that fits specifications of a conservation plan is a(n) ____.

Which statement best summarizes the results of the experiment by Damschen and her colleagues on the effect of landscape corridors on species richness?

Define conservation biology and distinguish it from the science of ecology.

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

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