Question 1

Structures in an organism that have no current function are referred to as ____.

Accepted Answer

A)  homologous 
B)  vestigial 
C)  mutualistic 
D)  fossils 
E)  convergent 
A)  homologous 
B)  vestigial 
C)  mutualistic 
D)  fossils 
E)  convergent

Question 2

If we apply Darwin's theories to many characteristics that affect survival and reproduction, natural selection would cause the populations to become more different over time, a process called ____.

Accepted Answer

A)  morphological deviation 
B)  artificial selection 
C)  goal orientation 
D)  evolutionary divergence 
E)  genetic modification 
A)  morphological deviation 
B)  artificial selection 
C)  goal orientation 
D)  evolutionary divergence 
E)  genetic modification

Question 3

The comparison of homologous traits in living and extinct organisms is an example of ____.

Accepted Answer

A)  comparative morphology 
B)  taxonomy 
C)  historical biogeography 
D)  paleontology 
E)  molecular biology 
A)  comparative morphology 
B)  taxonomy 
C)  historical biogeography 
D)  paleontology 
E)  molecular biology

Question 4

An example of evolutionary divergence is best characterized by Darwin's observation of ____.

Accepted Answer

A)  fossils along the coast of Argentina 
B)  body armor similarities between armadillos and fossilized glyptodonts 
C)  differences in appearance between nutria and beaver 
D)  differences in bill shape and food habits of finches 
E)  genotypic and phenotypic variability of species 
A)  fossils along the coast of Argentina 
B)  body armor similarities between armadillos and fossilized glyptodonts 
C)  differences in appearance between nutria and beaver 
D)  differences in bill shape and food habits of finches 
E)  genotypic and phenotypic variability of species

Question 5

A scientist who examines the distributions of species around the world is most likely studying ____.

Accepted Answer

A)  taxonomy 
B)  paleobiology 
C)  biogeography 
D)  natural theology 
E)  natural history 
A)  taxonomy 
B)  paleobiology 
C)  biogeography 
D)  natural theology 
E)  natural history

Question 6

Darwin's voyage took place between ____.

Accepted Answer

A)  1730 and 1735 
B)  1831 and 1836 
C)  1853 and 1858 
D)  1878 and 1885 
E)  1930 and 1938 
A)  1730 and 1735 
B)  1831 and 1836 
C)  1853 and 1858 
D)  1878 and 1885 
E)  1930 and 1938

Question 7

Darwin developed his theory of evolution without any knowledge of genetics.

Accepted Answer

A) True 
 B)False

Question 8

Explain the genetic evidence for the evolutionary changes that caused the loss of forelimbs in snakes.

Accepted Answer

Most snakes lack limbs. However, they ha

Question 9

Biological evolution occurs in ____ when specific processes cause genomes of organisms to differ from those of their ancestors.

Accepted Answer

A)  individuals 
B)  populations 
C)  communities 
D)  phenotypes 
E)  genotypes 
A)  individuals 
B)  populations 
C)  communities 
D)  phenotypes 
E)  genotypes

Question 10

At the time of the voyage of the H.M.S. Beagle , experienced sailors could easily identify a tortoise's island of origin by the ____, supporting Darwin's observation that animals on different islands varied slightly in form.

Accepted Answer

A)  site it chose to breed 
B)  shape of its shell 
C)  color of its skin 
D)  algae it chose to eat 
E)  courtship it displayed 
A)  site it chose to breed 
B)  shape of its shell 
C)  color of its skin 
D)  algae it chose to eat 
E)  courtship it displayed

Question 11

Due to their similarities to fossilized glyptodonts, Darwin hypothesized that armadillos were ____ glyptodonts.

Accepted Answer

A)  the same species as 
B)  unrelated to 
C)  living descendants of 
D)  coexisting in similar habitats as 
E)  genetically identical to 
A)  the same species as 
B)  unrelated to 
C)  living descendants of 
D)  coexisting in similar habitats as 
E)  genetically identical to

Question 12

Which structure(s) grow(s) just in front of animal tissues where only the Hoxc6 gene is expressed?

Accepted Answer

A)  forelimbs and hindlimbs 
B)  hindlimbs only 
C)  ribs only 
D)  forelimbs only 
E)  forelimbs and ribs 
A)  forelimbs and hindlimbs 
B)  hindlimbs only 
C)  ribs only 
D)  forelimbs only 
E)  forelimbs and ribs

Exam 20: The Development of Evolutionary Thought

Structures in an organism that have no current function are referred to as ____.

If we apply Darwin's theories to many characteristics that affect survival and reproduction, natural selection would cause the populations to become more different over time, a process called ____.

The comparison of homologous traits in living and extinct organisms is an example of ____.

An example of evolutionary divergence is best characterized by Darwin's observation of ____.

A scientist who examines the distributions of species around the world is most likely studying ____.

Darwin's voyage took place between ____.

Darwin developed his theory of evolution without any knowledge of genetics.

Explain the genetic evidence for the evolutionary changes that caused the loss of forelimbs in snakes.

Biological evolution occurs in ____ when specific processes cause genomes of organisms to differ from those of their ancestors.

At the time of the voyage of the H.M.S. Beagle , experienced sailors could easily identify a tortoise's island of origin by the ____, supporting Darwin's observation that animals on different islands varied slightly in form.

Due to their similarities to fossilized glyptodonts, Darwin hypothesized that armadillos were ____ glyptodonts.

Which structure(s) grow(s) just in front of animal tissues where only the Hoxc6 gene is expressed?

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

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

Biodiversity and Conservation Biology

Animal Behavior

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