Chapter 34: Vertebrates and Other Chordates
Chapter Quiz

Chapter Quiz

1 .       If an animal has segments, bilateral symmetry, pharyngeal gill slits, a post-anal tail, and deuterostomic development, it must be a member of the phylum _____. (Concept 34.1) [Hint]


2 .       A _____ is a chordate but not a vertebrate. (Concept 34.1) [Hint]

 sea star

3 .       Which of the following pairs is not matched correctly? (Concept 34.2) [Hint]

 Gnathostomata ... hagfish
 Mammalia ... kangaroo
 Osteichthyes ... perch
 Chondrichthyes ... great white shark
 Aves ... canary

4 .       A lamprey, a shark, a lizard, and a rabbit share all the following characteristics except _____. (Concept 34.3) [Hint]

 gill structures in the embryo or adult
 hinged jaws
 a hollow dorsal nerve cord
 a post-anal tail

5 .       Some sharks are viviparous, which means that _____. (Concept 34.4) [Hint]

 the young develop within the female's body
 they lay eggs
 they have a tendency toward multiple births
 they have a tendency toward single births
 they maintain a constant body temperature

6 .       The gill flap, or operculum, was an important adaptation for fish because it helps with _____. (Concept 34.4) [Hint]

 orientation in currents
 maintaining a supply of oxygen
 sensing chemicals in water
 adjusting buoyancy
 underwater sex

7 .       A feature of bony fish not found in sharks is _____. (Concept 34.4) [Hint]

 a bony endoskeleton
 pelvic and pectoral fins with bony supports
 a swim bladder
 a lateral line system

8 .       The first vertebrates to live on land were _____. (Concept 34.5) [Hint]

 cartilaginous fish

9 .       The development that freed vertebrates from water for reproduction and allowed them to radiate into diverse terrestrial environments was the _____. (Concept 34.6) [Hint]

 lateral line system
 bony appendage
 amniotic egg

10 .       Which of the following characteristics is not shared by extant birds and extant reptiles? (Concept 34.6) [Hint]

 endothermic metabolism
 amniotic eggs
 backbones of vertebrae
 scales containing keratin
 pharyngeal gill structures in the embryo

11 .       All mammals _____. (Concept 34.7) [Hint]

 bear live young
 complete their embryonic development in the uterus
 nourish their offspring through mammary glands
 have all the characteristics listed above
 have none of the characteristics listed above

12 .       The opossum is an example of a(n) _____ mammal. (Concept 34.7) [Hint]


13 .       Primates are distinguished from other mammals by _____. (Concept 34.7) [Hint]

 opposable thumbs, nails, and good depth perception
 fur, claws, and small litters
 stereoscopic vision, mammary glands, and single births
 eutherian reproduction, opposable thumbs, and good depth perception
 long tails used for balance, stereoscopic vision, and opposable thumbs

14 .       Humans and the slender loris, a prosimian, share many traits that probably evolved in our early primate ancestors, including _____. (Concept 34.7) [Hint]

 opposable big toes
 an arboreal way of life
 a thumb that is relatively mobile and separate from the fingers
 bipedalism (upright walking)

15 .       The two major groups of primates are _____. (Concept 34.7) [Hint]

 monkeys and anthropoids
 prosimians and apes
 monkeys and apes
 prosimians and anthropoids
 Old World monkeys and New World monkeys

16 .       The earliest primates were most similar to modern _____. (Concept 34.7) [Hint]

 ground-dwelling hominids
 arboreal anthropoids
 ground-dwelling prosimians
 arboreal prosimians
 ground-dwelling anthropoids

17 .       Humans, apes, and monkeys are classified together as _____. (Concept 34.7) [Hint]


18 .       If you were to observe a monkey in a zoo, which characteristic would indicate a New World origin for that monkey species? (Concept 34.7) [Hint]

 distinct seat pads
 forward-facing eyes
 use of the tail to hang from a tree limb
 a big toe that is widely separated from the other toes
 downward orientation of the nostrils

19 .       The modern genera of apes are ______. (Concept 34.7) [Hint]

 gibbons, orangutans, gorillas, chimpanzees, and bonobos
 lemurs and lorises
 tarsiers and gorillas
 Old World monkeys and New World monkeys
 New World monkeys and orangutans

20 .       Which of the following traits distinguishes hominids from apes? (Concept 34.8) [Hint]

 the use of tools
 the use of fire
 an enlarged brain (relative to body size)
 bipedalism (upright walking)
 the absence of a tail

21 .       Which of the following correctly lists probable ancestors of modern humans from the oldest to the most recent? (Concept 34.8) [Hint]

 Homo erectus, Australopithecus, Homo habilis
 Australopithecus, Homo habilis, Homo erectus
 Australopithecus, Homo erectus, Homo habilis
 Homo erectus, Homo habilis, Australopithecus
 Homo habilis, Homo erectus, Australopithecus

22 .       _____ arose very early in hominid evolution; _____ evolved more recently. (Concept 34.8) [Hint]

 Large brains ... prominent brow ridges
 Large brains ... upright posture
 Upright posture ... forward-looking eyes
 Upright posture ... large brains
 None of the above is correct.

23 .       The first hominid known to make tools is (was) _____. (Concept 34.8) [Hint]

 Australopithecus afarensis
 Homo sapiens
 Homo habilis
 Australopithecus africanus
 Homo erectus

24 .       What was the earliest hominid to have an enlarged brain (relative to body size)? (Concept 34.8) [Hint]

 Homo habilis
 Homo erectus

25 .       Analysis of mitochondrial DNA and Y chromosomes of modern humans has led most researchers to agree that _____. (Concept 34.8) [Hint]

 the common ancestor of Homo sapiens was a Neanderthal
 modern humans emerged from Africa
 Homo sapiens evolved from H. erectus in several parts of the world.
 Homo sapiens have many common ancestors
 Homo sapiens settled in the New World approximately 75,000 years ago

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