Question 1

Differential reproductive success is equivalent to:

Accepted Answer

A)  evolution. 
B)  competition. 
C)  mutation. 
D)  natural selection. 
E)  adaptation. 
A)  evolution. 
B)  competition. 
C)  mutation. 
D)  natural selection. 
E)  adaptation.

Question 2

Which of the following ideas is not part of Darwin's concept of evolution?

Accepted Answer

A)  A population is capable of producing more offspring than the environment can support. 
B)  Individuals that are best adapted to their environment are more likely to survive and reproduce. 
C)  A struggle for existence exists among individuals of a population. 
D)  Traits acquired during an individual's life are passed on to its offspring. 
E)  Individuals in a population are genetically variable. 
A)  A population is capable of producing more offspring than the environment can support. 
B)  Individuals that are best adapted to their environment are more likely to survive and reproduce. 
C)  A struggle for existence exists among individuals of a population. 
D)  Traits acquired during an individual's life are passed on to its offspring. 
E)  Individuals in a population are genetically variable.

Question 3

Bird wings and insect wings are considered to be:

Accepted Answer

A)  homologous structures. 
B)  homogenous structures. 
C)  vestigial structures. 
D)  divergent structures. 
E)  homoplastic structures. 
A)  homologous structures. 
B)  homogenous structures. 
C)  vestigial structures. 
D)  divergent structures. 
E)  homoplastic structures.

Question 4

The geographical distribution of organisms makes sense only in the context of:

Accepted Answer

A)  natural selection. 
B)  plate tectonics. 
C)  continental drift. 
D)  evolution. 
E)  ecology. 
A)  natural selection. 
B)  plate tectonics. 
C)  continental drift. 
D)  evolution. 
E)  ecology.

Question 5

The differential distribution of wing length in Drosophila, with larger wings in northern areas and smaller wings in southern climates, provides evidence that:

Accepted Answer

A)  chance is the most important agent in evolutionary change. 
B)  natural selection is the most important agent in evolutionary change. 
C)  wing length is not a heritable trait. 
D)  the fossil record is usually inaccurate. 
E)  the molecular clock cannot be applied to fruit fly traits. 
A)  chance is the most important agent in evolutionary change. 
B)  natural selection is the most important agent in evolutionary change. 
C)  wing length is not a heritable trait. 
D)  the fossil record is usually inaccurate. 
E)  the molecular clock cannot be applied to fruit fly traits.

Question 6

During the 1920s to 1940s, biologists combined Mendelian genetics with Darwin's theory to form a unified explanation of evolution that is referred to as:

Accepted Answer

A)  classical Darwinism. 
B)  evolutionary genetics. 
C)  genetic evolution. 
D)  neo-evolution. 
E)  the modern synthesis. 
A)  classical Darwinism. 
B)  evolutionary genetics. 
C)  genetic evolution. 
D)  neo-evolution. 
E)  the modern synthesis.

Question 7

The modern synthesis theory of evolution explains Darwin's observations of variation among offspring in terms of amino acid substitutions.
__________________

Accepted Answer

A) True 
 B)False

Question 8

The synthetic theory of evolution emphasizes:

Accepted Answer

A)  natural selection of individuals. 
B)  population genetics. 
C)  differential reproduction. 
D)  overproduction of individuals. 
E)  homologous versus vestigial structures. 
A)  natural selection of individuals. 
B)  population genetics. 
C)  differential reproduction. 
D)  overproduction of individuals. 
E)  homologous versus vestigial structures.

Question 9

Which of the following methods is not used to date fossils?

Accepted Answer

A)  the amount of radioisotopes remaining 
B)  index fossils 
C)  the relative position in rock strata 
D)  uranium-235 
E)  nitrogen-14 
A)  the amount of radioisotopes remaining 
B)  index fossils 
C)  the relative position in rock strata 
D)  uranium-235 
E)  nitrogen-14

Question 10

Which of the following early embryos would be the easiest to distinguish from the others?

Accepted Answer

A)  bird 
B)  honey bee 
C)  human 
D)  snake 
E)  catfish 
A)  bird 
B)  honey bee 
C)  human 
D)  snake 
E)  catfish

Exam 18: Introduction to Darwinian Evolution

Differential reproductive success is equivalent to:

Which of the following ideas is not part of Darwin's concept of evolution?

Bird wings and insect wings are considered to be:

The geographical distribution of organisms makes sense only in the context of:

The differential distribution of wing length in Drosophila, with larger wings in northern areas and smaller wings in southern climates, provides evidence that:

During the 1920s to 1940s, biologists combined Mendelian genetics with Darwin's theory to form a unified explanation of evolution that is referred to as:

The modern synthesis theory of evolution explains Darwin's observations of variation among offspring in terms of amino acid substitutions. __________________

The synthetic theory of evolution emphasizes:

Which of the following methods is not used to date fossils?

Which of the following early embryos would be the easiest to distinguish from the others?

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna: the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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