Question 1

Which of the following groups includes the greatest number of organisms?

Accepted Answer

A)  osteichthyans 
B)  amphibians 
C)  gnathostomes 
D)  lobe-fins 
A)  osteichthyans 
B)  amphibians 
C)  gnathostomes 
D)  lobe-fins

Question 2

Which of the following structures do vertebrates and tunicates both possess?

Accepted Answer

A)  jaws adapted for feeding 
B)  a high degree of cephalization 
C)  the formation of structures from the neural crest 
D)  a notochord and a dorsal, hollow nerve cord 
A)  jaws adapted for feeding 
B)  a high degree of cephalization 
C)  the formation of structures from the neural crest 
D)  a notochord and a dorsal, hollow nerve cord

Question 3

Which of these groups of organisms are amniotes?

Accepted Answer

A)  amphibians 
B)  fishes 
C)  turtles 
D)  lungfish 
A)  amphibians 
B)  fishes 
C)  turtles 
D)  lungfish

Question 4

Ancient fossils that seem to be an intermediate stage in the evolution from fish to tetrapods had which of the following characteristics?

Accepted Answer

A)  fins and scales like a fish but ribs to support the body and a bone structure in the front limb like tetrapods 
B)  a pelvis and rear limbs like a fish and gills like a tetrapod 
C)  bones that allowed the head to move like a fish and both gills and lung like a tetrapod 
D)  scales and a tail like a fish and a simple bone arrangement in the back limb like a tetrapod 
A)  fins and scales like a fish but ribs to support the body and a bone structure in the front limb like tetrapods 
B)  a pelvis and rear limbs like a fish and gills like a tetrapod 
C)  bones that allowed the head to move like a fish and both gills and lung like a tetrapod 
D)  scales and a tail like a fish and a simple bone arrangement in the back limb like a tetrapod

Question 5

Which of these characteristics contributed the most to vertebrate success in relatively dry environments?

Accepted Answer

A)  the shelled, amniotic egg 
B)  the ability to maintain a constant body temperature 
C)  two pairs of appendages 
D)  a four-chambered heart 
A)  the shelled, amniotic egg 
B)  the ability to maintain a constant body temperature 
C)  two pairs of appendages 
D)  a four-chambered heart

Question 6

Which of the following claims about human evolution is most consistent with current scientific understanding?

Accepted Answer

A)  Humans and other apes represent divergent lines of evolution from a common ancestor. 
B)  Humans represent the pinnacle of evolution and have escaped from being affected by natural selection. 
C)  Humans evolved from chimpanzees. 
D)  Humans and other apes are the result of disruptive selection in a species of chimpanzee. 
A)  Humans and other apes represent divergent lines of evolution from a common ancestor. 
B)  Humans represent the pinnacle of evolution and have escaped from being affected by natural selection. 
C)  Humans evolved from chimpanzees. 
D)  Humans and other apes are the result of disruptive selection in a species of chimpanzee.

Exam 34: Vertebrates

Which of the following groups includes the greatest number of organisms?

Which of the following structures do vertebrates and tunicates both possess?

Which of these groups of organisms are amniotes?

Ancient fossils that seem to be an intermediate stage in the evolution from fish to tetrapods had which of the following characteristics?

Which of these characteristics contributed the most to vertebrate success in relatively dry environments?

Which of the following claims about human evolution is most consistent with current scientific understanding?

Biology and Its Themes

Atoms and Molecules

The Chemistry of Water

Carbon: the Basis of Molecular Diversity

Biological Macromolecules and Lipids

Energy and Life

Cell Structure and Function

Cell Membranes

Cellular Signaling

Cell Respiration

Photosynthetic Processes

Mitosis

Sexual Life Cycles and Meiosis

Mendelian Genetics

Linkage and Chromosomes

Nucleic Acids and Inheritance

Expression of Genes

Control of Gene Expression

Dna Technology

The Evolution of Genomes

How Evolution Works

Phylogenetic Reconstruction

Microevolution

Species and Speciation

Macroevolution

Introduction to Viruses

Prokaryotes

The Origin and Evolution of Eukaryotes

Nonvascular and Seedless Vascular Plants

Seed Plants

Introduction to Fungi

An Introduction to Animal Diversity

Invertebrates

Plant Structure and Growth

Transport in Vascular Plants

Plant Nutrition

Reproduction of Flowering Plants

Plant Signals and Behavior

The Animal Body

Chemical Signals in Animals

Animal Digestive Systems

Animal Transport Systems

Animal Excretory Systems

Animal Reproductive Systems

Development in Animals

Animal Defenses Against Infection

Electrical Signals in Animals

Neural Regulation in Animals

Sensation and Movement in Animals

An Overview of Ecology

Behavioral Ecology

Populations and Life History Traits

Biodiversity and Communities

Energy Flow and Chemical Cycling in Ecosystems

Conservation and Global Ecology

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