Question 1

Amphibians are dependant on water and moist environments for their life cycle. Which stages require an aquatic environment and why is such an environment necessary? Do any amphibians have strategies that allow them to avoid the aquatic stage? If so, describe them.

Accepted Answer

Amphibians generally require an aquatic ...

Question 2

Which of the following observable characteristics places the yunnanzoan fossils in the deuterostome group?

Accepted Answer

A)   Radial symmetry
B)   Pharyngeal slits
C)   Radial cleavage
D)   Formation of the anus from the blastopore
E)   Light cuticleF) B) and C)
G) B) and D)

Question 3

Which of the following structures is (are)  not a derived trait of chordates?

Accepted Answer

A)   A tail that extends beyond the anus
B)   The notochord
C)   A hollow nerve chord
D)   Pharyngeal slits
E)   Both c and dF) B) and E)
G) All of the above

Question 4

The oldest fossil remains of members of our genus, Homo, suggest that early relatives of humans lived

Accepted Answer

A)   near China, where food is plentiful throughout the year.
B)   near Siberia, in an area where they were protected from predation.
C)   in the midwestern United States, where there is some of the most fertile soil in the world.
D)   in the American tropics, where there are long growing seasons and many species of fruits and berries.
E)   in dry African savannas, where they ate roots, bulbs, tubers, and animals.F) D) and E)
G) A) and E)

Question 5

Homo neanderthalensis

Accepted Answer

A)   had a range that overlapped with that of Homo sapiens.
B)   had small brains.
C)   did not have a close evolutionary relationship to Homo sapiens.
D)   was widespread in Africa and Europe.
E)   created the paintings found in European caves.F) B) and D)
G) None of the above

Question 6

In the evolutionary lineages leading to dinosaurs and birds, and to mammals, two important factors enabled these organisms to run quickly for long periods of time: a more vertical position assumed by the legs, and special _______ muscles that could operate independently of locomotory muscles.

Accepted Answer

ventilator...

Question 7

The transition from aquatic to terrestrial lifestyles required many adaptations in the vertebrate lineage. Which of the following is not one of those adaptations?

Accepted Answer

A)   A shift from gills to air-breathing lungs
B)   Improvements in the water resistance of skin
C)   An alteration in the mode of locomotion
D)   Development of feathers for insulation
E)   Modifications to the nitrogen elimination systemF) C) and D)
G) A) and C)

Question 8

The shared derived characteristics for the echinoderm clade include _______; whereas the shared derived characteristics of chordates include the possession of a _______.

Accepted Answer

A)   radial symmetry and loss of pharyngeal slits; dorsal hollow nerve cord
B)   calcified internal plates; notochord
C)   ciliated larvae; post-anal tail
D)   Both a and b
E)   Both b and cF) C) and D)
G) A) and B)

Question 9

The extant species Latimeria chalumnae belongs to a group that is an important link in evolution because it was the first group of

Accepted Answer

A)   fishes with lungs.
B)   fishes with paired fins.
C)   fishes with jointed fins.
D)   bony fishes.
E)   fishes with cartilage.F) C) and E)
G) C) and D)

Question 10

The network of calcified hydraulic canals that functions in gas exchange, locomotion, and feeding in echinoderms is called a _______.

Accepted Answer

water vasc...

Question 11

Which of the following is not a trait that could be used to identify an animal as a mammal rather than an amphibian?

Accepted Answer

A)   Mammary glands
B)   Hair
C)   Sweat glands
D)   Kidneys
E)   Four-chambered heartF) A) and B)
G) A) and C)

Question 12

Which of the following groups of reptiles has the fewest living members?

Accepted Answer

A)   Snakes and lizards
B)   Tuataras
C)   Turtles
D)   Crocodilians
E)   BirdsF) A) and B)
G) A) and C)

Question 13

Which of the following is not a characteristic of echinoderms?

Accepted Answer

A)   Radial symmetry as adults
B)   An external skeleton
C)   Lack of a brain
D)   Bilateral symmetry as larvae
E)   An extensive fossil recordF) B) and D)
G) A) and C)

Question 14

The outer covering of ecdysozoans

Accepted Answer

A)   is always hard and rigid.
B)   is always thin and flexible.
C)   is hard and rigid in larvae but thin in adults.
D)   ranges from very thin to hard and rigid depending on the species.
E)   grows throughout life to accommodate a growing body.F) A) and C)
G) A) and B)

Question 15

Use the following to answer questions:
Match the correct group of organisms from the list below with the evolutionary innovations specified in the questions that follow.

-Jaws
A) Reptiles
B) Birds
C) Ray-finned fishes
D) Chondrichthyans
E) Echinoderms

Accepted Answer

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

Question 16

Which of the following statements about birds and reptiles is true?

Accepted Answer

A)   Birds have a lower metabolic rate than reptiles.
B)   Reptiles give birth to live young, whereas birds lay eggs.
C)   Birds can breathe and run at the same time, whereas reptiles cannot.
D)   Birds are amniotes, reptiles are not.
E)   Reptiles supplement their lung action with gas exchange through their skin, whereas birds depend entirely on their lungs for gas exchange.F) B) and C)
G) D) and E)

Question 17

A few species of frogs and salamanders are _______, which means they give birth to well-developed young.

Accepted Answer

A)   oviparous
B)   viviparous
C)   paedomorphic
D)   isoparous
E)   vivimorphicF) A) and D)
G) B) and D)

Question 18

Dinosaurs dominated Earth for _______ million years.

Accepted Answer

A)   60
B)   215
C)   150
D)   100
E)   500F) A) and C)
G) A) and D)

Question 19

Which of the following statements about echinoderms is false?

Accepted Answer

A)   They have a water vascular system.
B)   They have an internal skeleton.
C)   They are protostomes.
D)   The larvae have bilateral symmetry.
E)   The adult form lacks a head.F) A) and D)
G) A) and B)

Question 20

Which of the following statements about the Old World primates is false?

Accepted Answer

A)   They have a prehensile tail.
B)   They include arboreal species.
C)   They include terrestrial species.
D)   They live and travel in large groups.
E)   Both a and bF) B) and E)
G) B) and C)

Exam 33: Deuterostome Animals

Which of the following groups of reptiles has the fewest living members?

Correct AnswerverifiedShow Answer

Which of the following is not a characteristic of echinoderms?

Correct AnswerverifiedShow Answer

Use the following to answer questions: Match the correct group of organisms from the list below with the evolutionary innovations specified in the questions that follow. -Jaws A) Reptiles B) Birds C) Ray-finned fishes D) Chondrichthyans E) Echinoderms

Correct AnswerverifiedShow Answer

A few species of frogs and salamanders are _______, which means they give birth to well-developed young.

Correct AnswerverifiedShow Answer

The transition from aquatic to terrestrial lifestyles required many adaptations in the vertebrate lineage. Which of the following is not one of those adaptations?

Correct AnswerverifiedShow Answer

Which of the following structures is (are) not a derived trait of chordates?

Correct AnswerverifiedShow Answer

Amphibians are dependant on water and moist environments for their life cycle. Which stages require an aquatic environment and why is such an environment necessary? Do any amphibians have strategies that allow them to avoid the aquatic stage? If so, describe them.

Correct AnswerverifiedAmphibians generally require an aquatic ...View AnswerShow Answer

Which of the following statements about birds and reptiles is true?

Correct AnswerverifiedShow Answer

The outer covering of ecdysozoans

Correct AnswerverifiedShow Answer

The extant species Latimeria chalumnae belongs to a group that is an important link in evolution because it was the first group of

Correct AnswerverifiedShow Answer

Which of the following statements about the Old World primates is false?

Correct AnswerverifiedShow Answer

The network of calcified hydraulic canals that functions in gas exchange, locomotion, and feeding in echinoderms is called a _______.

Correct Answerverifiedwater vasc...View AnswerShow Answer

In the evolutionary lineages leading to dinosaurs and birds, and to mammals, two important factors enabled these organisms to run quickly for long periods of time: a more vertical position assumed by the legs, and special _______ muscles that could operate independently of locomotory muscles.

Correct Answerverifiedventilator...View AnswerShow Answer

Dinosaurs dominated Earth for _______ million years.

Correct AnswerverifiedShow Answer

Homo neanderthalensis

Correct AnswerverifiedShow Answer

Which of the following statements about echinoderms is false?

Correct AnswerverifiedShow Answer

The oldest fossil remains of members of our genus, Homo, suggest that early relatives of humans lived

Correct AnswerverifiedShow Answer

Which of the following observable characteristics places the yunnanzoan fossils in the deuterostome group?

Correct AnswerverifiedShow Answer

The shared derived characteristics for the echinoderm clade include _______; whereas the shared derived characteristics of chordates include the possession of a _______.

Correct AnswerverifiedShow Answer

Which of the following is not a trait that could be used to identify an animal as a mammal rather than an amphibian?

Correct AnswerverifiedShow Answer

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Amphibians generally require an aquatic ...
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water vasc...
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ventilator...
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The shared derived characteristics for the echinoderm clade include _; whereas the shared derived characteristics of chordates include the possession of a _.

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Correct Answer
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