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Which of the following features is NOT a characteristic used to distinguish birds?


A) feathers
B) air sacs
C) variable body temperature
D) hard-shelled egg
E) four-chambered heart

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

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Which of these characteristics first developed in reptiles?


A) amniotic egg
B) scales on skin
C) four-legged body
D) skull and vertebral column
E) animals with lungs.

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

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All of the following are characteristics of primates EXCEPT the


A) nails on hands and feet.
B) stereoscopic vision.
C) well-developed brain.
D) opposable thumb.
E) rapid postnatal maturation.

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

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An animal that is characterized by vertebrae,dorsal hollow nerve cord,hair,and mammary glands must be a(n)


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

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

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The ability to throw spears and kill animals from a distance gave Cro-Magnon an advantage in their environment.

A) True
B) False

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Which of these made advanced tools and produced artwork?


A) Homo erectus
B) Homo habilis
C) Cro-Magnon man
D) Neandertal man
E) Homo ergaster

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

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Vertebrates possessing a four-chambered heart are


A) bipedal.
B) all birds.
C) warm-blooded (maintains a constant body temperature) .
D) cold-blooded (body temperature varies with external temperature) .
E) reptiles.

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

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Which of the following is NOT a unique characteristic of chordates at some time in their life history?


A) a dorsal notochord
B) a ventral hollow nerve cord
C) pharyngeal pouches
D) gill clefts
E) a post-anal tail

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

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The living coelacanths discovered off the coast of Africa in the Indian Ocean in 1938,and near Indonesia in 1998,proved that it


A) was a modern fish unrelated to fossil coelacanths.
B) was the "missing link" between fish and amphibians.
C) was the link between cartilage and bony fishes.
D) had changed very little and had not gone extinct.
E) had gone extinct and then evolved from other fish still present.

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

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Non-vertebrate chordates,tunicates and lancelets,differ from other chordates in that


A) They do not have a notochord.
B) They have gills while other chordates have lungs.
C) They do not have jaws while all other chordates do have them.
D) The notochord of non-vertebrate chordates does not become a vertebral column.
E) Non-vertebrate chordates do not have a internal bony skeleton while all other chordates do.

F) None of the above
G) C) and D)

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Which represents the correct order of evolution of chordate features?


A) amnion \rarr limbs \rarr lungs \rarr jaws \rarr vertebrae
B) limbs \rarr lungs \rarr jaws \rarr vertebrae \rarr amnion
C) lungs \rarr jaws \rarr vertebrae \rarr amnion \rarr limbs
D) vertebrae \rarr jaws \rarr lungs \rarr limbs \rarr amnion
E) vertebrae \rarr amnion \rarr limbs \rarr lungs \rarr jaws

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

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Mammals are different from birds in all these characteristics EXCEPT


A) having hair.
B) having mammary glands.
C) maintaining a constant body temperature.
D) having young born alive.
E) having a bladder.

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

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