Question 1

Of the modern echinoderms,

Accepted Answer

A)  all have a water vascular system. 
B)  most are crinoids. 
C)  most have arms. 
D)  most have an external skeleton. 
E)  all use their tube feet for moving. 
A)  all have a water vascular system. 
B)  most are crinoids. 
C)  most have arms. 
D)  most have an external skeleton. 
E)  all use their tube feet for moving.

Question 2

The 30 species of cephalochordates are also known as

Accepted Answer

A)  lancelets. 
B)  sea squirts. 
C)  tunicates. 
D)  salps. 
E)  larvaceans. 
A)  lancelets. 
B)  sea squirts. 
C)  tunicates. 
D)  salps. 
E)  larvaceans.

Question 3

The common ancestor of deuterostomes

Accepted Answer

A)  had radial symmetry. 
B)  was not segmented. 
C)  had a notochord. 
D)  had a pharynx with slits. 
E)  Both b and d 
A)  had radial symmetry. 
B)  was not segmented. 
C)  had a notochord. 
D)  had a pharynx with slits. 
E)  Both b and d

Question 4

The lineages leading to modern reptiles began to diverge around _______ million years ago.

Accepted Answer

The answer of The lineages leading to modern reptiles began...

Question 5

_______ females have ventral pouches in which they carry and feed their offspring.

Accepted Answer

The answer of _______ females have ventral pouches in which...

Question 6

Which of the following chordate groups evolved before the appearance of cartilaginous fishes?

Accepted Answer

A)  Ray-finned fishes and sea squirts 
B)  Ascidians, lancelets, and hagfishes 
C)  Ascidians, lancelets, and ray-finned fishes 
D)  Lampreys and ray-finned fishes 
E)  Coelacanths and ray-finned fishes 
A)  Ray-finned fishes and sea squirts 
B)  Ascidians, lancelets, and hagfishes 
C)  Ascidians, lancelets, and ray-finned fishes 
D)  Lampreys and ray-finned fishes 
E)  Coelacanths and ray-finned fishes

Question 7

Which of the following statements about tube feet is false?

Accepted Answer

A)  They are used for movement. 
B)  They are present on the arms of sea lilies. 
C)  They are used for the capture of food in all echinoderms. 
D)  They may be used for gas exchange. 
E)  The tentacles of sea cucumbers are modified tube feet. 
A)  They are used for movement. 
B)  They are present on the arms of sea lilies. 
C)  They are used for the capture of food in all echinoderms. 
D)  They may be used for gas exchange. 
E)  The tentacles of sea cucumbers are modified tube feet.

Question 8

Use the following to answer questions:
Refer to the diagram below of a sea star (a type of echinoderm).  
-What is the upper surface of this animal called?

Accepted Answer

The answer of Use the following to answer questions:
Refer to...

Question 9

Use the following to answer questions:
Refer to the diagram below.  
-Identify all labeled structures.

Accepted Answer

A: Dorsal hollow nerve cord
B:

Question 10

Which of the following features is not found in the chordate lineage?

Accepted Answer

A)  Bilateral symmetry 
B)  A dorsal hollow nerve cord 
C)  An external skeleton 
D)  Pharyngeal slits at some stage during development 
E)  A notochord at some stage during development 
A)  Bilateral symmetry 
B)  A dorsal hollow nerve cord 
C)  An external skeleton 
D)  Pharyngeal slits at some stage during development 
E)  A notochord at some stage during development

Question 11

Which of the following traits is shared by the chondrichthyans and the ray-finned fishes?

Accepted Answer

A)  Gills as the major site of gas exchange 
B)  A skeleton composed of cartilage 
C)  An outer surface covered with bony plates 
D)  A swim bladder 
E)  Propulsion by means of dorsal/ventral movements of their tails 
A)  Gills as the major site of gas exchange 
B)  A skeleton composed of cartilage 
C)  An outer surface covered with bony plates 
D)  A swim bladder 
E)  Propulsion by means of dorsal/ventral movements of their tails

Question 12

Use the following to answer questions:
Refer to the diagram below.  
-Identify the life cycle stage (larva or adult) and the name of the upper animal.

Accepted Answer

Larva; sea

Question 13

Bipedal locomotion

Accepted Answer

A)  propelled ardipithecines. 
B)  allowed protohominids to carry objects while walking. 
C)  requires less energy than quadrupedal locomotion. 
D)  elevates the eyes. 
E)  All of the above 
A)  propelled ardipithecines. 
B)  allowed protohominids to carry objects while walking. 
C)  requires less energy than quadrupedal locomotion. 
D)  elevates the eyes. 
E)  All of the above

Question 14

Nematodes are abundant and diverse because

Accepted Answer

A)  they are both parasitic and free-living and eat a wide variety of foods. 
B)  they are able to molt their exoskeleton. 
C)  their thick cuticle enables them to move in complex ways. 
D)  their body cavity is a pseudocoelom. 
E)  their segmented body enables them to live in many different places. 
A)  they are both parasitic and free-living and eat a wide variety of foods. 
B)  they are able to molt their exoskeleton. 
C)  their thick cuticle enables them to move in complex ways. 
D)  their body cavity is a pseudocoelom. 
E)  their segmented body enables them to live in many different places.

Question 15

Which of the following echinoderm groups lacks "arms"?

Accepted Answer

A)  Sea urchins 
B)  Crinoids 
C)  Sea cucumbers 
D)  Both a and b 
E)  Both a and c 
A)  Sea urchins 
B)  Crinoids 
C)  Sea cucumbers 
D)  Both a and b 
E)  Both a and c

Question 16

Which of the following are not deuterostomes?

Accepted Answer

A)  Echinoderms 
B)  Hemichordates 
C)  Cephalochordates 
D)  Ecdysozoans 
E)  Chordates 
A)  Echinoderms 
B)  Hemichordates 
C)  Cephalochordates 
D)  Ecdysozoans 
E)  Chordates

Question 17

Most amphibians breathe air by means of

Accepted Answer

A)  gills and swim bladders. 
B)  gills and thin skin. 
C)  lungs only. 
D)  lungs and thin skin. 
E)  thin skin only. 
A)  gills and swim bladders. 
B)  gills and thin skin. 
C)  lungs only. 
D)  lungs and thin skin. 
E)  thin skin only.

Question 18

The species of hominid that was widespread between 500,000 and 28,000 years ago was _______.

Accepted Answer

Homo neand

Question 19

Which of the following statements about Archaeopteryx and modern birds is false?

Accepted Answer

A)  Unlike Archaeopteryx, modern birds lack teeth. 
B)  Unlike modern birds, Archaeopteryx had a long tail. 
C)  Unlike modern birds, Archaeopteryx had clawed fingers on its forearms. 
D)  Although Archaeopteryx could fly, it lacked the true feathers that birds have. 
E)  None of the above 
A)  Unlike Archaeopteryx, modern birds lack teeth. 
B)  Unlike modern birds, Archaeopteryx had a long tail. 
C)  Unlike modern birds, Archaeopteryx had clawed fingers on its forearms. 
D)  Although Archaeopteryx could fly, it lacked the true feathers that birds have. 
E)  None of the above

Question 20

The modern sarcopterygians

Accepted Answer

A)  all have a bony skeleton. 
B)  have jointed fins. 
C)  all have lungs. 
D)  live on land. 
E)  all have lungs and gills. 
A)  all have a bony skeleton. 
B)  have jointed fins. 
C)  all have lungs. 
D)  live on land. 
E)  all have lungs and gills.

Exam 33: Deuterostome Animals

Of the modern echinoderms,

The 30 species of cephalochordates are also known as

The common ancestor of deuterostomes

The lineages leading to modern reptiles began to diverge around _______ million years ago.

_______ females have ventral pouches in which they carry and feed their offspring.

Which of the following chordate groups evolved before the appearance of cartilaginous fishes?

Which of the following statements about tube feet is false?

Use the following to answer questions: Refer to the diagram below of a sea star (a type of echinoderm). -What is the upper surface of this animal called?

Use the following to answer questions: Refer to the diagram below. -Identify all labeled structures.

Which of the following features is not found in the chordate lineage?

Which of the following traits is shared by the chondrichthyans and the ray-finned fishes?

Use the following to answer questions: Refer to the diagram below. -Identify the life cycle stage (larva or adult) and the name of the upper animal.

Bipedal locomotion

Nematodes are abundant and diverse because

Which of the following echinoderm groups lacks "arms"?

Which of the following are not deuterostomes?

Most amphibians breathe air by means of

The species of hominid that was widespread between 500,000 and 28,000 years ago was _______.

Which of the following statements about Archaeopteryx and modern birds is false?

The modern sarcopterygians

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Signaling and Communication

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinent Dna and Biotechnology

Differential Gene Expression in Development

Development and Evolutionary Change

Evidence and Mechanisms of Evolution

Reconstructing and Using Phylogenies

Species and Their Formation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria and Archaea: the Prokaryotic Domains

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

Fungi: Recyclers, Pathogens, Parasites, and Plant Partners

Animal Origins and the Evolution of Body Plans

Protostome Animals

The Plant Body

Transport in Plants

Plant Nutrition

Regulation of Plant Growth

Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Animal Hormones

Immunology: Animal Defense Systems

Animal Reproduction

Animal Development

Neurons and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Function

Musculoskeletal Systems

Gas Exchange in Animals

Circulatory Systems

Nutrition, Digestion, and Absorption

Salt and Water Balance and Nitrogen

Animal Behavior

Ecology and the Distribution of Life

Population Ecology

Species Interaction and Coevolution

Community Ecology

Ecosystems and Global Ecology

Conservation Biology

Filters