Question 1

Which characteristic falls outside the earthworms?

Accepted Answer

A)  segmentation
B)  complete digestive system
C)  hermaphroditic
D)  nephridia to remove waste
E)  dorsal hollow nerve cordF) A) and E)
G) A) and D)

Question 2

From earliest to latest,which is the correct order of the significant innovations in the evolutionary tree of animals?

Accepted Answer

A)  true tissue germ layers,multicellular,bilateral symmetry,eucoelom,body cavity,segmentation,jointed limbs
B)  bilateral symmetry,true tissue germ layers,multicellular,body cavity,eucoelom,segmentation,jointed limbs
C)  body cavity,bilateral symmetry,true tissue germ layers,multicellular,eucoelom,jointed limbs segmentation
D)  multicellular,body cavity,true tissue germ layers,bilateral symmetry,jointed limbs segmentation,eucoelom
E)  multicellular,true tissue germ layers,bilateral symmetry,body cavity,eucoelom,segmentation,jointed limbsF) A) and E)
G) A) and D)

Question 3

If you were studying animals which have a body cavity completely lined with mesoderm such as molluscs and arthropods,you would be studying

Accepted Answer

A)  coelomates.
B)  deuterostomes.
C)  radial symmetry.
D)  acoelomates.
E)  pseudocoelomates.F) A) and B)
G) A) and C)

Question 4

If you were a scientist studying animals that have their body cavity incompletely lined with mesoderm,you would be studying

Accepted Answer

A)  eucoelomates.
B)  pseudocoelomates.
C)  segmented worms.
D)  protostomes.
E)  acoelomates.F) B) and D)
G) C) and D)

Question 5

A localization of a brain and specialized sensory organs in the anterior end of the animal's "head" is called

Accepted Answer

A)  bilateral symmetry.
B)  segmentation.
C)  homology.
D)  cephalization.
E)  eucoelomatE.F) A) and C)
G) A) and E)

Question 6

Which infection is caused by a group other than roundworms?

Accepted Answer

A)  Hookworms
B)  Trichinosis
C)  Elephantiasis
D)  Tapeworm
E)  PinwormsF) A) and E)
G) None of the above

Question 7

A biologist is studying stinging cells called nematocysts,implying that this study involves which animals?

Accepted Answer

A)  Sponges
B)  Flatworms
C)  Roundworms
D)  Cnidarians
E)  SnailsF) All of the above
G) B) and D)

Question 8

A __________ of a tapeworm contains both male and female sex organs and becomes filled with developing embryos.

Accepted Answer

A)  proglottid
B)  scolex
C)  cyst
D)  gastrovascular cavity
E)  nematocystF) B) and E)
G) D) and E)

Question 9

A study of chordates in general,as opposed to particular groups of chordates,would exclude what characteristic?

Accepted Answer

A)  postanal tail
B)  dorsal tubular nerve cord
C)  pharyngeal pouches
D)  vertebral column
E)  notochordF) D) and E)
G) C) and E)

Question 10

Which of the following terms would not be associated with flatworms?

Accepted Answer

A)  Bilateral symmetry
B)  Cephalization
C)  Sessile
D)  Hermaphrodite
E)  AcoelomateF) B) and D)
G) C) and E)

Question 11

-This figure shows the four chordate characteristics.What does "b" represent?

Accepted Answer

A)  pharyngeal pouches
B)  vertebral column
C)  notochord
D)  postanal tail
E)  dorsal tubular nerve cordF) A) and D)
G) A) and C)

Question 12

-This figure shows the parts of the amniotic egg.What does "d" represent?

Accepted Answer

A)  embryo
B)  allantois
C)  yolk sac
D)  amnion
E)  chorionF) A) and B)
G) A) and C)

Question 13

Which feature existed before the adaptation of reptiles for life on land?

Accepted Answer

A)  hard,horny scales
B)  internal fertilization
C)  shelled egg
D)  ectothermic physiology
E)  more advanced skeletonF) A) and D)
G) All of the above

Question 14

-This figure shows the four chordate characteristics.What does "a" represent?

Accepted Answer

A)  notochord
B)  vertebral column
C)  dorsal tubular nerve cord
D)  pharyngeal pouches
E)  postanal tailF) A) and C)
G) All of the above

Question 15

-This figure shows the four chordate characteristics.What does "c" represent?

Accepted Answer

A)  dorsal tubular nerve cord
B)  pharyngeal pouches
C)  notochord
D)  vertebral column
E)  postanal tailF) A) and C)
G) A) and D)

Question 16

The amphibians' unique contribution to the evolution of land vertebrates was

Accepted Answer

A)  respiration by gills.
B)  respiration through the skin.
C)  the leathery waterproof egg shell.
D)  the development of the tail for propulsion.
E)  the ability to move onto land.F) A) and D)
G) C) and D)

Question 17

If the cells of a sponge are mechanically separated by a coarse cloth bag,the cells then

Accepted Answer

A)  reproduce sexually.
B)  die from being separated.
C)  form spicules in the pattern of the cloth.
D)  go back to primitive cells and soon differentiate.
E)  reassemble into a new organized sponge with each cell resuming its original job.F) A) and E)
G) B) and D)

Question 18

The major insect body parts are

Accepted Answer

A)  head,cephalothorax,and abdomen.
B)  cephalothorax,midsection,and abdomen.
C)  head,thorax,and abdomen.
D)  head,pyothorax,and metathorax.
E)  cephalothorax and abdomen.F) A) and D)
G) B) and C)

Question 19

-This figure shows the four chordate characteristics.What does "d" represent?

Accepted Answer

A)  pharyngeal pouches
B)  vertebral column
C)  notochord
D)  postanal tail
E)  dorsal tubular nerve cordF) B) and C)
G) A) and E)

Question 20

Which animal would be excluded from a study of reptiles?

Accepted Answer

A)  turtles
B)  snakes
C)  frogs
D)  lizards
E)  crocodilesF) None of the above
G) A) and B)

Exam 20: Evolution of Animals

Which characteristic falls outside the earthworms?

Correct AnswerverifiedShow Answer

Which infection is caused by a group other than roundworms?

Correct AnswerverifiedShow Answer

-This figure shows the four chordate characteristics.What does "d" represent?

Correct AnswerverifiedShow Answer

A biologist is studying stinging cells called nematocysts,implying that this study involves which animals?

Correct AnswerverifiedShow Answer

-This figure shows the parts of the amniotic egg.What does "d" represent?

Correct AnswerverifiedShow Answer

Which of the following terms would not be associated with flatworms?

Correct AnswerverifiedShow Answer

A __________ of a tapeworm contains both male and female sex organs and becomes filled with developing embryos.

Correct AnswerverifiedShow Answer

From earliest to latest,which is the correct order of the significant innovations in the evolutionary tree of animals?

Correct AnswerverifiedShow Answer

Which feature existed before the adaptation of reptiles for life on land?

Correct AnswerverifiedShow Answer

If you were a scientist studying animals that have their body cavity incompletely lined with mesoderm,you would be studying

Correct AnswerverifiedShow Answer

-This figure shows the four chordate characteristics.What does "c" represent?

Correct AnswerverifiedShow Answer

The amphibians' unique contribution to the evolution of land vertebrates was

Correct AnswerverifiedShow Answer

The major insect body parts are

Correct AnswerverifiedShow Answer

If the cells of a sponge are mechanically separated by a coarse cloth bag,the cells then

Correct AnswerverifiedShow Answer

A localization of a brain and specialized sensory organs in the anterior end of the animal's "head" is called

Correct AnswerverifiedShow Answer

If you were studying animals which have a body cavity completely lined with mesoderm such as molluscs and arthropods,you would be studying

Correct AnswerverifiedShow Answer

-This figure shows the four chordate characteristics.What does "b" represent?

Correct AnswerverifiedShow Answer

A study of chordates in general,as opposed to particular groups of chordates,would exclude what characteristic?

Correct AnswerverifiedShow Answer

-This figure shows the four chordate characteristics.What does "a" represent?

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Which animal would be excluded from a study of reptiles?

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