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Biology for AP® Courses

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Biology for AP® CoursesReview Questions

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Table of contents
  1. Preface
  2. The Chemistry of Life
    1. 1 The Study of Life
      1. Introduction
      2. 1.1 The Science of Biology
      3. 1.2 Themes and Concepts of Biology
      4. Key Terms
      5. Chapter Summary
      6. Review Questions
      7. Critical Thinking Questions
      8. Test Prep for AP® Courses
    2. 2 The Chemical Foundation of Life
      1. Introduction
      2. 2.1 Atoms, Isotopes, Ions, and Molecules: The Building Blocks
      3. 2.2 Water
      4. 2.3 Carbon
      5. Key Terms
      6. Chapter Summary
      7. Review Questions
      8. Critical Thinking Questions
      9. Test Prep for AP® Courses
      10. Science Practice Challenge Questions
    3. 3 Biological Macromolecules
      1. Introduction
      2. 3.1 Synthesis of Biological Macromolecules
      3. 3.2 Carbohydrates
      4. 3.3 Lipids
      5. 3.4 Proteins
      6. 3.5 Nucleic Acids
      7. Key Terms
      8. Chapter Summary
      9. Review Questions
      10. Critical Thinking Questions
      11. Test Prep for AP® Courses
      12. Science Practice Challenge Questions
  3. The Cell
    1. 4 Cell Structure
      1. Introduction
      2. 4.1 Studying Cells
      3. 4.2 Prokaryotic Cells
      4. 4.3 Eukaryotic Cells
      5. 4.4 The Endomembrane System and Proteins
      6. 4.5 Cytoskeleton
      7. 4.6 Connections between Cells and Cellular Activities
      8. Key Terms
      9. Chapter Summary
      10. Review Questions
      11. Critical Thinking Questions
      12. Test Prep for AP® Courses
      13. Science Practice Challenge Questions
    2. 5 Structure and Function of Plasma Membranes
      1. Introduction
      2. 5.1 Components and Structure
      3. 5.2 Passive Transport
      4. 5.3 Active Transport
      5. 5.4 Bulk Transport
      6. Key Terms
      7. Chapter Summary
      8. Review Questions
      9. Critical Thinking Questions
      10. Test Prep for AP® Courses
      11. Science Practice Challenge Questions
    3. 6 Metabolism
      1. Introduction
      2. 6.1 Energy and Metabolism
      3. 6.2 Potential, Kinetic, Free, and Activation Energy
      4. 6.3 The Laws of Thermodynamics
      5. 6.4 ATP: Adenosine Triphosphate
      6. 6.5 Enzymes
      7. Key Terms
      8. Chapter Summary
      9. Review Questions
      10. Critical Thinking Questions
      11. Test Prep for AP® Courses
      12. Science Practice Challenge Questions
    4. 7 Cellular Respiration
      1. Introduction
      2. 7.1 Energy in Living Systems
      3. 7.2 Glycolysis
      4. 7.3 Oxidation of Pyruvate and the Citric Acid Cycle
      5. 7.4 Oxidative Phosphorylation
      6. 7.5 Metabolism without Oxygen
      7. 7.6 Connections of Carbohydrate, Protein, and Lipid Metabolic Pathways
      8. 7.7 Regulation of Cellular Respiration
      9. Key Terms
      10. Chapter Summary
      11. Review Questions
      12. Critical Thinking Questions
      13. Test Prep for AP® Courses
      14. Science Practice Challenge Questions
    5. 8 Photosynthesis
      1. Introduction
      2. 8.1 Overview of Photosynthesis
      3. 8.2 The Light-Dependent Reaction of Photosynthesis
      4. 8.3 Using Light to Make Organic Molecules
      5. Key Terms
      6. Chapter Summary
      7. Review Questions
      8. Critical Thinking Questions
      9. Test Prep for AP® Courses
      10. Science Practice Challenge Questions
    6. 9 Cell Communication
      1. Introduction
      2. 9.1 Signaling Molecules and Cellular Receptors
      3. 9.2 Propagation of the Signal
      4. 9.3 Response to the Signal
      5. 9.4 Signaling in Single-Celled Organisms
      6. Key Terms
      7. Chapter Summary
      8. Review Questions
      9. Critical Thinking Questions
      10. Test Prep for AP® Courses
      11. Science Practice Challenge Questions
    7. 10 Cell Reproduction
      1. Introduction
      2. 10.1 Cell Division
      3. 10.2 The Cell Cycle
      4. 10.3 Control of the Cell Cycle
      5. 10.4 Cancer and the Cell Cycle
      6. 10.5 Prokaryotic Cell Division
      7. Key Terms
      8. Chapter Summary
      9. Review Questions
      10. Critical Thinking Questions
      11. Test Prep for AP® Courses
      12. Science Practice Challenge Questions
  4. Genetics
    1. 11 Meiosis and Sexual Reproduction
      1. Introduction
      2. 11.1 The Process of Meiosis
      3. 11.2 Sexual Reproduction
      4. Key Terms
      5. Chapter Summary
      6. Review Questions
      7. Critical Thinking Questions
      8. Test Prep for AP® Courses
      9. Science Practice Challenge Questions
    2. 12 Mendel's Experiments and Heredity
      1. Introduction
      2. 12.1 Mendel’s Experiments and the Laws of Probability
      3. 12.2 Characteristics and Traits
      4. 12.3 Laws of Inheritance
      5. Key Terms
      6. Chapter Summary
      7. Review Questions
      8. Critical Thinking Questions
      9. Test Prep for AP® Courses
      10. Science Practice Challenge Questions
    3. 13 Modern Understandings of Inheritance
      1. Introduction
      2. 13.1 Chromosomal Theory and Genetic Linkages
      3. 13.2 Chromosomal Basis of Inherited Disorders
      4. Key Terms
      5. Chapter Summary
      6. Review Questions
      7. Critical Thinking Questions
      8. Test Prep for AP® Courses
      9. Science Practice Challenge Questions
    4. 14 DNA Structure and Function
      1. Introduction
      2. 14.1 Historical Basis of Modern Understanding
      3. 14.2 DNA Structure and Sequencing
      4. 14.3 Basics of DNA Replication
      5. 14.4 DNA Replication in Prokaryotes
      6. 14.5 DNA Replication in Eukaryotes
      7. 14.6 DNA Repair
      8. Key Terms
      9. Chapter Summary
      10. Review Questions
      11. Critical Thinking Questions
      12. Test Prep for AP® Courses
      13. Science Practice Challenge Questions
    5. 15 Genes and Proteins
      1. Introduction
      2. 15.1 The Genetic Code
      3. 15.2 Prokaryotic Transcription
      4. 15.3 Eukaryotic Transcription
      5. 15.4 RNA Processing in Eukaryotes
      6. 15.5 Ribosomes and Protein Synthesis
      7. Key Terms
      8. Chapter Summary
      9. Review Questions
      10. Critical Thinking Questions
      11. Test Prep for AP® Courses
      12. Science Practice Challenge Questions
    6. 16 Gene Regulation
      1. Introduction
      2. 16.1 Regulation of Gene Expression
      3. 16.2 Prokaryotic Gene Regulation
      4. 16.3 Eukaryotic Epigenetic Gene Regulation
      5. 16.4 Eukaryotic Transcriptional Gene Regulation
      6. 16.5 Eukaryotic Post-transcriptional Gene Regulation
      7. 16.6 Eukaryotic Translational and Post-translational Gene Regulation
      8. 16.7 Cancer and Gene Regulation
      9. Key Terms
      10. Chapter Summary
      11. Review Questions
      12. Critical Thinking Questions
      13. Test Prep for AP® Courses
      14. Science Practice Challenge Questions
    7. 17 Biotechnology and Genomics
      1. Introduction
      2. 17.1 Biotechnology
      3. 17.2 Mapping Genomes
      4. 17.3 Whole-Genome Sequencing
      5. 17.4 Applying Genomics
      6. 17.5 Genomics and Proteomics
      7. Key Terms
      8. Chapter Summary
      9. Review Questions
      10. Critical Thinking Questions
      11. Test Prep for AP® Courses
      12. Science Practice Challenge Questions
  5. Evolutionary Processes
    1. 18 Evolution and Origin of Species
      1. Introduction
      2. 18.1 Understanding Evolution
      3. 18.2 Formation of New Species
      4. 18.3 Reconnection and Rates of Speciation
      5. Key Terms
      6. Chapter Summary
      7. Review Questions
      8. Critical Thinking Questions
      9. Test Prep for AP® Courses
      10. Science Practice Challenge Questions
    2. 19 The Evolution of Populations
      1. Introduction
      2. 19.1 Population Evolution
      3. 19.2 Population Genetics
      4. 19.3 Adaptive Evolution
      5. Key Terms
      6. Chapter Summary
      7. Review Questions
      8. Critical Thinking Questions
      9. Test Prep for AP® Courses
      10. Science Practice Challenge Questions
    3. 20 Phylogenies and the History of Life
      1. Introduction
      2. 20.1 Organizing Life on Earth
      3. 20.2 Determining Evolutionary Relationships
      4. 20.3 Perspectives on the Phylogenetic Tree
      5. Key Terms
      6. Chapter Summary
      7. Review Questions
      8. Critical Thinking Questions
      9. Test Prep for AP® Courses
      10. Science Practice Challenge Questions
  6. Biological Diversity
    1. 21 Viruses
      1. Introduction
      2. 21.1 Viral Evolution, Morphology, and Classification
      3. 21.2 Virus Infection and Hosts
      4. 21.3 Prevention and Treatment of Viral Infections
      5. 21.4 Other Acellular Entities: Prions and Viroids
      6. Key Terms
      7. Chapter Summary
      8. Review Questions
      9. Critical Thinking Questions
      10. Test Prep for AP® Courses
      11. Science Practice Challenge Questions
    2. 22 Prokaryotes: Bacteria and Archaea
      1. Introduction
      2. 22.1 Prokaryotic Diversity
      3. 22.2 Structure of Prokaryotes
      4. 22.3 Prokaryotic Metabolism
      5. 22.4 Bacterial Diseases in Humans
      6. 22.5 Beneficial Prokaryotes
      7. Key Terms
      8. Chapter Summary
      9. Review Questions
      10. Critical Thinking Questions
      11. Test Prep for AP® Courses
      12. Science Practice Challenge Questions
  7. Plant Structure and Function
    1. 23 Plant Form and Physiology
      1. Introduction
      2. 23.1 The Plant Body
      3. 23.2 Stems
      4. 23.3 Roots
      5. 23.4 Leaves
      6. 23.5 Transport of Water and Solutes in Plants
      7. 23.6 Plant Sensory Systems and Responses
      8. Key Terms
      9. Chapter Summary
      10. Review Questions
      11. Critical Thinking Questions
      12. Test Prep for AP® Courses
      13. Science Practice Challenge Questions
  8. Animal Structure and Function
    1. 24 The Animal Body: Basic Form and Function
      1. Introduction
      2. 24.1 Animal Form and Function
      3. 24.2 Animal Primary Tissues
      4. 24.3 Homeostasis
      5. Key Terms
      6. Chapter Summary
      7. Review Questions
      8. Critical Thinking Questions
      9. Test Prep for AP® Courses
    2. 25 Animal Nutrition and the Digestive System
      1. Introduction
      2. 25.1 Digestive Systems
      3. 25.2 Nutrition and Energy Production
      4. 25.3 Digestive System Processes
      5. 25.4 Digestive System Regulation
      6. Key Terms
      7. Chapter Summary
      8. Review Questions
      9. Critical Thinking Questions
      10. Test Prep for AP® Courses
      11. Science Practice Challenge Questions
    3. 26 The Nervous System
      1. Introduction
      2. 26.1 Neurons and Glial Cells
      3. 26.2 How Neurons Communicate
      4. 26.3 The Central Nervous System
      5. 26.4 The Peripheral Nervous System
      6. 26.5 Nervous System Disorders
      7. Key Terms
      8. Chapter Summary
      9. Review Questions
      10. Critical Thinking Questions
      11. Test Prep for AP® Courses
      12. Science Practice Challenge Questions
    4. 27 Sensory Systems
      1. Introduction
      2. 27.1 Sensory Processes
      3. 27.2 Somatosensation
      4. 27.3 Taste and Smell
      5. 27.4 Hearing and Vestibular Sensation
      6. 27.5 Vision
      7. Key Terms
      8. Chapter Summary
      9. Review Questions
      10. Critical Thinking Questions
      11. Science Practice Challenge Questions
    5. 28 The Endocrine System
      1. Introduction
      2. 28.1 Types of Hormones
      3. 28.2 How Hormones Work
      4. 28.3 Regulation of Body Processes
      5. 28.4 Regulation of Hormone Production
      6. 28.5 Endocrine Glands
      7. Key Terms
      8. Chapter Summary
      9. Review Questions
      10. Critical Thinking Questions
      11. Test Prep for AP® Courses
      12. Science Practice Challenge Questions
    6. 29 The Musculoskeletal System
      1. Introduction
      2. 29.1 Types of Skeletal Systems
      3. 29.2 Bone
      4. 29.3 Joints and Skeletal Movement
      5. 29.4 Muscle Contraction and Locomotion
      6. Key Terms
      7. Chapter Summary
      8. Review Questions
      9. Critical Thinking Questions
      10. Science Practice Challenge Questions
    7. 30 The Respiratory System
      1. Introduction
      2. 30.1 Systems of Gas Exchange
      3. 30.2 Gas Exchange across Respiratory Surfaces
      4. 30.3 Breathing
      5. 30.4 Transport of Gases in Human Bodily Fluids
      6. Key Terms
      7. Chapter Summary
      8. Review Questions
      9. Critical Thinking Questions
      10. Test Prep for AP® Courses
      11. Science Practice Challenge Questions
    8. 31 The Circulatory System
      1. Introduction
      2. 31.1 Overview of the Circulatory System
      3. 31.2 Components of the Blood
      4. 31.3 Mammalian Heart and Blood Vessels
      5. 31.4 Blood Flow and Blood Pressure Regulation
      6. Key Terms
      7. Chapter Summary
      8. Review Questions
      9. Critical Thinking Questions
      10. Test Prep for AP® Courses
      11. Science Practice Challenge Questions
    9. 32 Osmotic Regulation and Excretion
      1. Introduction
      2. 32.1 Osmoregulation and Osmotic Balance
      3. 32.2 The Kidneys and Osmoregulatory Organs
      4. 32.3 Excretion Systems
      5. 32.4 Nitrogenous Wastes
      6. 32.5 Hormonal Control of Osmoregulatory Functions
      7. Key Terms
      8. Chapter Summary
      9. Review Questions
      10. Critical Thinking Questions
      11. Test Prep for AP® Courses
    10. 33 The Immune System
      1. Introduction
      2. 33.1 Innate Immune Response
      3. 33.2 Adaptive Immune Response
      4. 33.3 Antibodies
      5. 33.4 Disruptions in the Immune System
      6. Key Terms
      7. Chapter Summary
      8. Review Questions
      9. Critical Thinking Questions
      10. Test Prep for AP® Courses
      11. Science Practice Challenge Questions
    11. 34 Animal Reproduction and Development
      1. Introduction
      2. 34.1 Reproduction Methods
      3. 34.2 Fertilization
      4. 34.3 Human Reproductive Anatomy and Gametogenesis
      5. 34.4 Hormonal Control of Human Reproduction
      6. 34.5 Fertilization and Early Embryonic Development
      7. 34.6 Organogenesis and Vertebrate Formation
      8. 34.7 Human Pregnancy and Birth
      9. Key Terms
      10. Chapter Summary
      11. Review Questions
      12. Critical Thinking Questions
      13. Test Prep for AP® Courses
      14. Science Practice Challenge Questions
  9. Ecology
    1. 35 Ecology and the Biosphere
      1. Introduction
      2. 35.1 The Scope of Ecology
      3. 35.2 Biogeography
      4. 35.3 Terrestrial Biomes
      5. 35.4 Aquatic Biomes
      6. 35.5 Climate and the Effects of Global Climate Change
      7. Key Terms
      8. Chapter Summary
      9. Review Questions
      10. Critical Thinking Questions
      11. Test Prep for AP® Courses
      12. Science Practice Challenge Questions
    2. 36 Population and Community Ecology
      1. Introduction
      2. 36.1 Population Demography
      3. 36.2 Life Histories and Natural Selection
      4. 36.3 Environmental Limits to Population Growth
      5. 36.4 Population Dynamics and Regulation
      6. 36.5 Human Population Growth
      7. 36.6 Community Ecology
      8. 36.7 Behavioral Biology: Proximate and Ultimate Causes of Behavior
      9. Key Terms
      10. Chapter Summary
      11. Review Questions
      12. Critical Thinking Questions
      13. Test Prep for AP® Courses
      14. Science Practice Challenge Questions
    3. 37 Ecosystems
      1. Introduction
      2. 37.1 Ecology for Ecosystems
      3. 37.2 Energy Flow through Ecosystems
      4. 37.3 Biogeochemical Cycles
      5. Key Terms
      6. Chapter Summary
      7. Review Questions
      8. Critical Thinking Questions
      9. Test Prep for AP® Courses
      10. Science Practice Challenge Questions
    4. 38 Conservation Biology and Biodiversity
      1. Introduction
      2. 38.1 The Biodiversity Crisis
      3. 38.2 The Importance of Biodiversity to Human Life
      4. 38.3 Threats to Biodiversity
      5. 38.4 Preserving Biodiversity
      6. Key Terms
      7. Chapter Summary
      8. Review Questions
      9. Critical Thinking Questions
      10. Test Prep for AP® Courses
  10. A | The Periodic Table of Elements
  11. B | Geological Time
  12. C | Measurements and the Metric System
  13. Index
1.
In an effort to enter all identified species on Earth into a digital catalog, scientists are preparing a unique tag for each species. The following algorithms have been generated to create unique tags. Estimate which algorithm is best suited for the task.
  1. an algorithm that creates 15,000 to 20,000 unique tags
  2. an algorithm that creates 150,000 to 200,000 unique tags
  3. an algorithm that creates 1.5 million to 2 million unique tags
  4. an algorithm that creates 10 million to 20 million unique tags
2.
Two genera of birds exist side-by-side on an island. Genus A is characterized by a few species carrying similar genetic material. Genus B contains different species of birds with a wide variety of genetic traits. After a volcanic explosion changes the ecosystem, which genus has the highest probability of surviving the disaster?
  1. Genus A, which contains well adapted species.
  2. Genus B, which has greater genetic diversity and is more likely to have traits that confer an advantage in the new environment.
  3. Genus A, which can serve as ancestors for the new species.
  4. Genus B, because these species likely evolved from Genus A species in the past.
3.
A report describes the biodiversity of an island in a remote archipelago in the Pacific Ocean having a larger number of species of birds than neighboring islands. The biologists that investigated the ecosystem of the island described it as an example of adaptive radiation. Their conclusion is most likely based on the fact that they observed ______.
  1. a burst of speciation
  2. the presence of of invasive species
  3. a hypothesized cause of a mass extinction
  4. evidence of an apex predator
4.
Findings from layers dating to the Cambrian geological period show an appearance of many new organisms in addition to older forms of life. The Cambrian explosion corresponds to a time where _____.
  1. new species radiated from existing species
  2. new species appeared due to spontaneous mutations
  3. ancient species were replaced by newly evolved species
  4. a massive die-out freed ecosystems for new species
5.
Paleontologists analyzing fossils from a newly discovered site with layers spanning multiple geological periods found that one of the youngest layers probably correlates with a mass extinction event. Which is the following would be evidence supporting this claim?
  1. Over 95% of species present in the oldest layer are not present in the layer in question.
  2. An asteroid impact altered the geological terrain significantly.
  3. All of the fossils observed were of larger sized organisms.
  4. Over 50% of the species present in the layer just below are missing in this layer.
6.
What is a likely reason that small animals survived the cataclysmic impact of a large meteorite that caused the massive extinction at the Cretaceous-Paleocene?
  1. Small animals stopped being hunted by dinosaurs.
  2. Small animals do not depend on plants for food.
  3. Small animals needed less food for survival and reproduce rapidly.
  4. Small animals fed on the dead dinosaurs.
7.
Scientists are evaluating an island ecosystem for consideration as a biodiversity hotspot. What information should they collect and evaluate as part of their fieldwork in order to produce their final assessment?
  1. the total number of endemic species in an ecosystem
  2. the total number of organisms in an ecosystem
  3. the total number of species divided by the area of the ecosystem
  4. the total number of endangered species in an ecosystem
8.
A secondary plant compound might be used for which of the following?
  1. a new crop variety
  2. a new drug
  3. a soil nutrient
  4. a new species
9.
A component of snake venom kills the prey by preventing blood from clotting. Which of the following is the most likely medical application for the active component of snake venom?
  1. promoting scab formation
  2. speeding healing of wounds
  3. relaxing muscle pain
  4. a blood thinner
10.
Different varieties of potatoes are known to thrive at different altitudes. What could be the related benefit of maintaining the diversity of potato plants?
  1. Diverse types of pollinators can be involved.
  2. The range of usable land is extended.
  3. The taste of potatoes when fried is improved.
  4. Resistance to pests can be introduced if necessary.
11.
Which of the following agricultural crops is most likely to survive a catastrophic event?
  1. a monoculture of a crop on a large surface
  2. diverse varieties of a crop surrounded by a diverse ecosystem
  3. a single crop surrounded by a diverse ecosystem
  4. diverse varieties of a crop in a simple ecosystem
12.
Which factor is present in an ecosystem that performs the same role as a pesticide?
  1. pollination
  2. plant resistance to chemicals
  3. asexual reproduction
  4. presence of insect predators
13.
The plans for a new subdivision of homes include wetlands and lagoons connected to a water treatment plant. Which conservation principle was most likely applied by the plans' designers?
  1. ecosystem service
  2. biodiversity preservation
  3. habitat restoration
  4. chemical diversity
14.
Most antibiotics in use today are prepared or derived from____.
  1. secondary compounds from microorganisms
  2. secondary compounds from viruses
  3. fully synthetic chemical compounds
  4. compounds synthesized by plants
15.
Loss of biodiversity and accelerations of extinction rates have several causes. Which of the following situations causes direct loss of biodiversity owing to loss of habitat?
  1. fishing cod at a rate that is greater than natural replacement
  2. converting a prairie to a farm field
  3. introduction of an invasive ornamental plant in a new ecosystem
  4. emission of greenhouse gases increasing the average temperatures of an area
16.
Which of the following activities will result in major habitat loss?
  1. picking wild flowers in a meadow
  2. cutting a tree in one’s backyard
  3. a farmer switching from wheat to soy crop
  4. building a dam that will flood a large plain
17.
Exotic predator species are especially threatening to what kind of ecosystem?
  1. deserts
  2. marine ecosystems
  3. islands
  4. tropical forests
18.
Backpackers returning from a long trip abroad are stopped by customs and asked whether they brought back plants, flowers or fruit from their trip location. Their fruit bought at a local market is confiscated. Why was the fruit confiscated?
  1. The hikers are supposed to pay duty on imported fruit.
  2. The fruit can be processed to produce illicit drugs.
  3. The fruit seed could be planted and could eliminate all local species.
  4. The fruit may introduce new exotic pests that threaten local plants.
19.
Grizzly bears and black bears have a varied diet and hunting grounds. On the other hand, polar bears feed mostly on seals. They walk on the sea ice and wait by breathing holes for seals to emerge from the water for fresh air. Which of the following animals would be most affected by the melting of sea ice in Alaska?
  1. grizzly bears
  2. polar bears
  3. koalas
  4. black bears
20.

A graph is shown with the title "Change in Latitude of Bird Center of Abundance, 1966–2013.” The x–axis is labeled “Year” and the domain goes from 1965 to 2015. The y–axis is labeled “Average distance moed north (miles)” and ranges from –20 to 80. The graph shows a thick line going from (1965, 0) to (2013, 40) in a general upward trend, though not a straight line, it has some peaks and valleys. On either side of the line there is a shaded region mirroring the same peaks and valleys that grows wider on either side of the main line going left to right. It starts at the same place as the main line and ends up 20 above and 20 below the main line and is bounded by thinner orange lines.

This graph shows the movement northward of wintering grounds of North American bird species. The trend closely mirrors the increase in average winter temperatures. What is one problem that could develop from birds using farther north areas?

  1. Abandoned wintering grounds are left with a poorer ecosystem.
  2. Movement northward leads to overcrowding of reproductive grounds.
  3. Food competition increases with birds that do not migrate.
  4. All of the above.
21.
The method of DNA barcoding allows cataloguing of an organism using rapid sequencing methods. The choice of which gene to use for barcoding is guided by its rate of evolution. Which genes are most useful for barcoding non-plant eukaryotes?
  1. nuclear genes
  2. chloroplast genes
  3. plasmids
  4. mitochondrial
22.
The choice of using a mitochondrial gene for barcoding of genes depends on _____.
  1. the fact that suitable primers for sequencing are not available for nuclear genes
  2. the availability of any gene
  3. the slow rate of evolution in mitochondrial genes
  4. that there is less variability between individuals of a same species than between individuals of different species
23.
While planning an ecological preserve, conservationists plan for an area limited in size with highly diversified niches, which provide habitats to a rich diversity of species. With these constraints in mind, decide which of the following ecosystems is the foundation of the preserve design.
  1. desert
  2. islands
  3. tropical rain forest
  4. temperate rain forest
24.
A marine preserve is designed off the coast of the Northwest of the US. The coast is dotted by several Native American reservations where the traditional occupation is catching and processing fish. Which parties must be involved in the design of the preserve?
  1. marine biologists only
  2. marine biologists and oceanographers
  3. marine biologists, oceanographers, and policy makers
  4. marine biologists, oceanographers, policy makers, and representatives of the tribes
25.
Loss of wetlands has a great impact both on the biotic and abiotic parts of an ecosystem. Wetlands provide rich habitats and act as a filter for pollution. Some loss of wetland is due to silt and invasive species clogging water flow.To restore these wetlands, it is often enough to _____.
  1. open new waterways
  2. restore the water supply
  3. re-introduce endangered animals
  4. introduce water adapted plants
26.
Acid mining pollutes nearby streams by acidifying water and discharging highly toxic by-products. Bacteria have been used to neutralize the pH and detoxify chemical compounds making the stream suitable for animals and plants. This approach to restoration of habitat is an example of _____.
  1. keystone species introduction
  2. bioremediation
  3. ecosystem preservation
  4. biological control
27.
What was the name of the first international agreement on climate change?
  1. Red List
  2. Montreal Protocol
  3. International Union for the Conservation of Nature (IUCN)
  4. Kyoto Protocol
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