Question 1

If asked on an exam to give a property not found in the echinoderms,which would you write on the exam?

Accepted Answer

A)  They exhibit cephalization. 
B)  Adults exhibit radial symmetry. 
C)  Larvae exhibit bilateral symmetry. 
D)  They have a complete digestive tract. 
E)  They have spiny skin. 
A)  They exhibit cephalization. 
B)  Adults exhibit radial symmetry. 
C)  Larvae exhibit bilateral symmetry. 
D)  They have a complete digestive tract. 
E)  They have spiny skin.

Question 2

Which of the following is not a reptile?

Accepted Answer

A)  bat 
B)  snake 
C)  crocodile 
D)  turtle 
E)  penguin 
A)  bat 
B)  snake 
C)  crocodile 
D)  turtle 
E)  penguin

Question 3

Flatworms have complete digestive tracts.

Accepted Answer

A) True 
 B)False

Question 4

Segmentation occurs in annelids,arthropods,and chordates.What can therefore be concluded about segmentation?

Accepted Answer

A)  Segmentation occurs in all animals. 
B)  Segmentation occurs only in invertebrates. 
C)  Segmentation occurs only in vertebrates. 
D)  Segmentation evolved multiple times. 
E)  The first animal that gave rise to all other animals was segmented. 
A)  Segmentation occurs in all animals. 
B)  Segmentation occurs only in invertebrates. 
C)  Segmentation occurs only in vertebrates. 
D)  Segmentation evolved multiple times. 
E)  The first animal that gave rise to all other animals was segmented.

Question 5

Which of the following is a jawless fish?

Accepted Answer

A)  skate 
B)  shark 
C)  tuna 
D)  salmon 
E)  lamprey 
A)  skate 
B)  shark 
C)  tuna 
D)  salmon 
E)  lamprey

Question 6

Hominids include

Accepted Answer

A)  humans. 
B)  orangutans. 
C)  chimpanzees. 
D)  gorillas. 
E)  All answers are correct. 
A)  humans. 
B)  orangutans. 
C)  chimpanzees. 
D)  gorillas. 
E)  All answers are correct.

Question 7

The closest living relatives to humans on the evolutionary tree are

Accepted Answer

A)  gibbons. 
B)  gorillas. 
C)  orangutans. 
D)  homo erectus. 
E)  chimpanzees. 
A)  gibbons. 
B)  gorillas. 
C)  orangutans. 
D)  homo erectus. 
E)  chimpanzees.

Question 8

When examining a picture of a butterfly,you notice that there is one position in which a mirror,running from one end of the butterfly to the other,completes the image as a whole butterfly.You conclude that the butterfly has

Accepted Answer

A)  radial symmetry. 
B)  bilateral symmetry. 
C)  longitudinal symmetry. 
D)  mirrored symmetry. 
E)  asymmetry. 
A)  radial symmetry. 
B)  bilateral symmetry. 
C)  longitudinal symmetry. 
D)  mirrored symmetry. 
E)  asymmetry.

Question 9

Octopuses and squids are cephalopods and are members of which group?

Accepted Answer

A)  echinoderms 
B)  arthropods 
C)  amphibians 
D)  cnidarians 
E)  mollusks 
A)  echinoderms 
B)  arthropods 
C)  amphibians 
D)  cnidarians 
E)  mollusks

Question 10

When asked to analyze a sample of marine life,you notice the animal has an incomplete digestive tract,stinging cells,and swims by propeling water through itself.You conclude that you are observing a cnidarian polyp.

Accepted Answer

A) True 
 B)False

Question 11

The "Cambrian explosion" refers to the

Accepted Answer

A)  mass extinction of dinosaurs. 
B)  origination of most major phyla of animals. 
C)  development of the first true cell. 
D)  origination of life. 
E)  creation of Earth. 
A)  mass extinction of dinosaurs. 
B)  origination of most major phyla of animals. 
C)  development of the first true cell. 
D)  origination of life. 
E)  creation of Earth.

Question 12

At the beach,you find an animal with a two-part shell,a muscular foot,and a radula.You conclude that you have found a mollusk.

Accepted Answer

A) True 
 B)False

Question 13

You are given temperature data showing that a newly discovered animal has the same body temperature as long as the temperature of the room in which the animal is found remains constant.When the room temperature varies,the animal shows a similar variation in its temperature.You are looking at data from a(n)

Accepted Answer

A)  thermophile. 
B)  mesophile. 
C)  mammal. 
D)  endotherm. 
E)  ectotherm. 
A)  thermophile. 
B)  mesophile. 
C)  mammal. 
D)  endotherm. 
E)  ectotherm.

Question 14

The Mesozoic era lasted from

Accepted Answer

A)  65 million years ago to 2 million years ago. 
B)  500 million years ago to 250 million years ago. 
C)  250 million years ago to 65 million years ago. 
D)  540 million years ago to 250 million years ago. 
E)  one billion years ago to 500 million years ago. 
A)  65 million years ago to 2 million years ago. 
B)  500 million years ago to 250 million years ago. 
C)  250 million years ago to 65 million years ago. 
D)  540 million years ago to 250 million years ago. 
E)  one billion years ago to 500 million years ago.

Question 15

A lancelet is a(n)

Accepted Answer

A)  invertebrate chordate. 
B)  vertebrate. 
C)  echinoderm. 
D)  amphibian. 
E)  fish. 
A)  invertebrate chordate. 
B)  vertebrate. 
C)  echinoderm. 
D)  amphibian. 
E)  fish.

Question 16

An animal that maintains its body temperature by using heat generated from its own metabolism is a(n)

Accepted Answer

A)  endotherm. 
B)  ectotherm. 
C)  thermophile. 
D)  mesophile. 
E)  invertebrate. 
A)  endotherm. 
B)  ectotherm. 
C)  thermophile. 
D)  mesophile. 
E)  invertebrate.

Question 17

If you found a worm with obvious segments and a complete digestive tract,you might conclude that it was an annelid.

Accepted Answer

A) True 
 B)False

Question 18

You have discovered a new worm-like animal.You are convinced it is not a nematode because it

Accepted Answer

A)  has a complete digestive tract. 
B)  is unsegmented. 
C)  has bilateral symmetry. 
D)  has a coelom. 
E)  has tapered ends. 
A)  has a complete digestive tract. 
B)  is unsegmented. 
C)  has bilateral symmetry. 
D)  has a coelom. 
E)  has tapered ends.

Question 19

Leeches and earthworms belong to the phylum

Accepted Answer

A)  Porifera. 
B)  Mollusca. 
C)  Annelida. 
D)  Nematoda. 
E)  Platyhelminthes. 
A)  Porifera. 
B)  Mollusca. 
C)  Annelida. 
D)  Nematoda. 
E)  Platyhelminthes.

Question 20

If you were eating sea urchin and starfish soup,you would be eating echinoderms.

Accepted Answer

A) True 
 B)False

Exam 17: Evolution and Diversity of Animals

If asked on an exam to give a property not found in the echinoderms,which would you write on the exam?

Which of the following is not a reptile?

Flatworms have complete digestive tracts.

Segmentation occurs in annelids,arthropods,and chordates.What can therefore be concluded about segmentation?

Which of the following is a jawless fish?

Hominids include

The closest living relatives to humans on the evolutionary tree are

When examining a picture of a butterfly,you notice that there is one position in which a mirror,running from one end of the butterfly to the other,completes the image as a whole butterfly.You conclude that the butterfly has

Octopuses and squids are cephalopods and are members of which group?

When asked to analyze a sample of marine life,you notice the animal has an incomplete digestive tract,stinging cells,and swims by propeling water through itself.You conclude that you are observing a cnidarian polyp.

The "Cambrian explosion" refers to the

At the beach,you find an animal with a two-part shell,a muscular foot,and a radula.You conclude that you have found a mollusk.

The Mesozoic era lasted from

A lancelet is a(n)

An animal that maintains its body temperature by using heat generated from its own metabolism is a(n)

If you found a worm with obvious segments and a complete digestive tract,you might conclude that it was an annelid.

You have discovered a new worm-like animal.You are convinced it is not a nematode because it

Leeches and earthworms belong to the phylum

If you were eating sea urchin and starfish soup,you would be eating echinoderms.

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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