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Amphibians are not completely free to live on dry land because


A) their ancestors were fish.
B) their food organisms live in water.
C) their reproduction depends on water.
D) they can escape from predators by jumping into the water.
E) they obtain oxygen from water through gills.

F) C) and E)
G) B) and D)

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To which group of fishes does the following description apply: swim bladder,bony skeleton,and paired fins supported by bony rays.


A) Sarcopterygi
B) Actinopterygi
C) Chondrichthyes
D) Placodermi
E) Acanthodii

F) B) and D)
G) All of the above

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The European Neanderthals were replaced about 34,000 years ago by


A) Homo habilis.
B) Homo erectus.
C) Homo sapiens.
D) Neanderthals.
E) Cro-Magnons.

F) B) and E)
G) D) and E)

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Choose the letter of the best match from the following: -Smallmouth bass.


A) bird
B) reptile
C) amphibian
D) bony fish
E) mammal

F) A) and C)
G) A) and B)

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You excavate a fossil of a small reptile during a paleontology field trip.It has the following characteristics: skull with a pair of dorsal temporal openings and a pair of lateral temporal openings;bipedal with legs positioned directly under the pelvic girdle.Dating with radioisotopes shows that the specimen lived 100 million year ago (MYA) .You conclude that the specimen belongs to which reptilian group (be specific as possible) ?


A) anapsid
B) synapsid
C) diapsid
D) archosaur
E) dinosaur

F) D) and E)
G) C) and D)

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The following classes or superclasses of fish are matched with an example.Select the mismatched pair.


A) Chondrichthyes-sharks
B) Placodermi-lobe-finned fish
C) Agnatha-jawless fish
D) Myxini-hagfish
E) Osteichthyes-bony fish

F) B) and D)
G) A) and B)

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All of the following are orders of placental mammals except


A) primates.
B) rodentia.
C) cetacea.
D) carnivora.
E) marsupialia.

F) D) and E)
G) A) and C)

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The vertebrate class closely related to reptiles,but with feathers is _______.

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In humans one pair of pharyngeal pouches become the tube-shaped organ called the


A) esophagus.
B) trachea.
C) Eustachian tube.
D) bronchial tube.
E) pharynx.

F) B) and E)
G) C) and D)

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In addition to a vertebral column,all vertebrates have


A) a distinctive head or skull.
B) an open circulatory system.
C) gills.
D) scales.
E) a tunic.

F) A) and C)
G) D) and E)

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All of the following are features that contribute to the ability of reptiles to survive on dry land except


A) the amniotic egg.
B) dry skin covered with scales.
C) an efficient circulatory system.
D) efficient lungs.
E) endothermy.

F) All of the above
G) A) and E)

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Of the following sequences,which one reflects the best scientific knowledge about the succession of Homo species from the past until the present?


A) Homo beidelbergensis \rarr Homo habilis \rarr Homo sapiens \rarr Homo erectus
B) Homo habilis \rarr Homo beidelbergensis \rarr Homo erectus \rarr Homo sapiens
C) Homo beidelbergensis \rarr Homo sapiens \rarr Homo erectus \rarr Homo habilis
D) Homo sapiens \rarr Homo beidelbergensis \rarr Homo habilis \rarr Homo erectus
E) Homo habilis \rarr Homo erectus \rarr Homo beidelbergensis \rarr Homo sapiens

F) B) and C)
G) B) and E)

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One of the most critical adaptations of the reptiles in relation to their life on land is the evolution of the


A) amniotic egg.
B) allantois egg.
C) chorionic egg.
D) diploid egg.
E) swim bladder.

F) B) and C)
G) A) and E)

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The most diverse and successful vertebrate group,the ______,provided the base for invasion of land by the amphibians.

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The mucous sheet produced by the endostyle traps the microscopic food particles in the water.This sheet is located in the pharynx of what animal?


A) arrow worm
B) tunicate
C) acorn worm
D) lancelet
E) crinoid

F) A) and E)
G) A) and C)

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The only vertebrate class that possesses hair and milk glands is _______.

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Which one of the following structures is not found in all adult and larval tunicates?


A) incurrent siphon
B) excurrent siphon
C) gill slits
D) notochord
E) pharynx

F) C) and D)
G) A) and D)

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Which one of the following does not match a component of the amniotic egg with its primary function?


A) shell-porous,protective covering
B) chorion-exchange of respiratory gases;retention of water
C) amnion-encloses embryo within an oxygen-filled cavity
D) allantois-segregates nitrogenous wastes from embryo
E) yolk sac-provides food for the embryo

F) A) and E)
G) B) and E)

Correct Answer

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Which one of the following is not an adaptation seen in birds that is necessary for winged flight?


A) hollow bones and air sacs
B) bipedalism
C) expansion of the pectoral girdle
D) elongation of the digits of the forearm
E) feathers

F) A) and D)
G) A) and C)

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A friend or yours visited a natural history museum that had a replica of the Archaeopteryx.She told you the characteristics of Archaeopteryx that she either noticed or read at the display.Which one did she misread?


A) Archaeopteryx had features,as do modern birds.
B) Archaeopteryx lacked teeth as do modern birds.
C) Archaeopteryx had solid bones,unlike the hollow bones of modern birds.
D) Archaeopteryx had wings as do modern birds.
E) Archaeopteryx had a long tail,unlike modern birds.

F) A) and D)
G) A) and E)

Correct Answer

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