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Which statement is inconsistent with echinoderms?


A) The exoskeleton is made up of bony tissue.
B) Gas exchange occurs through gills on the skin.
C) Larvae are free-swimming and bilaterally symmetrical.
D) A water vascular system allows the tube feet to produce suction.
E) Symmetry is radial in the adult, usually with parts in fives or multiples of five.

F) None of the above
G) All of the above

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Which of these statements about the evolutionary tree of animals is incorrect?


A) All animals have true tissues.
B) All animals are multicellular.
C) Humans are more closely related to sea stars than to insects.
D) Radial symmetry preceded bilateral symmetry in animal evolution.
E) Some animals have no germ layers, while others have two or three germ layers.

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

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What are the key features of chordates?


A) notochord, dorsal tubular nerve cord, pharyngeal pouches, and a tail
B) notochord, dorsal tubular nerve cord, water vascular system, and a tail
C) ventral nerve chord, notochord, pharyngeal pouches, and a tail
D) notochord, dorsal tubular nerve cord, nerve ring, and a tail
E) notochord, ventral nerve cord, water vascular system, and a tail

F) None of the above
G) B) and E)

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Which of these has the necessary adaptations to survive in a dry land environment?


A) insect
B) lobe-finned fish
C) amphibian
D) planarian
E) tunicate

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

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The luna moth ( Actias luna) is a large, showy moth with lovely green wings. It has no mouth and therefore cannot eat. How is it that this species continues to exist?


A) The luna moth is chemoheterotrophic by absorption, not by ingestion.
B) The luna moth is the adult stage in the life cycle; feeding occurs during the caterpillar stage.
C) The luna moth is a rare mutant; typical moths of the species Actias luna do have mouths.
D) The luna moth is the larval stage in the life cycle; it eventually becomes a caterpillar which can feed.
E) The luna moth can use its green wings for photosynthesis.

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

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Ascaris is considered to be a(n)


A) roundworm.
B) flatworm.
C) earthworm.
D) cnidarian.
E) arthropod.

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

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Which of these is a primate, but not an anthropoid?


A) chimpanzee
B) baboon
C) opossum
D) human
E) lemur

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

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Which of the following is a crustacean?


A) barnacle
B) oyster
C) clam
D) mussel
E) scallop

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

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Which of the following are invertebrate chordates?


A) tunicates only
B) lancelets only
C) jawless fishes only
D) tunicates and lancelets but not jawless fishes
E) tunicates, lancelets, and jawless fishes

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

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When did modern humans migrate from Africa into Asia and Europe?


A) 100,000 year ago
B) 10,000 years ago
C) 200,000 years ago
D) 1.2 million years ago
E) 220,000 years ago

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

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The mantle, foot, and visceral mass are all parts of a(n)


A) annelid.
B) mollusc.
C) planarian.
D) tunicate.
E) arthropod.

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

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Which of these is a protostome?


A) a chimpanzee
B) a planarian
C) a sea anemone
D) a sea star
E) lancelet

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

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Nephridia are found in


A) jawless fishes.
B) echinoderms.
C) lancelets.
D) annelids.
E) cephalopods.

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

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What is the defining feature of the lophotrochozoans?


A) tentacle-like feeding structure
B) filter feeding
C) multicellularity
D) bilateral symmetry
E) exoskeleton

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

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One of the key features of the lophotrochozoans is that they have a band of cilia during their larval stage.

A) True
B) False

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Amphibians are the descendants of


A) ray-finned fishes.
B) cartilaginous fishes.
C) lobe-finned fishes.
D) hagfishes.
E) reptiles.

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

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Organisms that live in a marine environment and have skin gills, tube feet, a coelom, and a water vascular system are classified as a(n)


A) tunicate.
B) lancelet.
C) planarian.
D) oligochaete.
E) echinoderm.

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

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In protostome development,


A) the blastopore becomes the anus.
B) the coelom forms from mesodermal outpocketings of the gut.
C) there is no coelom.
D) the mouth forms from the second embryonic opening, not from the blastopore.
E) the blastopore becomes the mouth.

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

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Which two groups of primates share the closest ancestry?


A) prosimians and gibbons
B) New World monkeys and apes
C) hominins and Old World monkeys
D) gibbons and prosimians
E) apes and hominins

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

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Which of these is mismatched?


A) cnidarian - nematocyst
B) planarian - ladderlike nervous system
C) sponge - collar cell
D) fluke - body cavity
E) roundworm - complete digestive tract

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

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