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  • Vertebrate Evolution

Biology

Sylvia S. Mader, Michael Windelspecht

Chapter 29

Vertebrate Evolution - all with Video Answers

Educators

+ 6 more educators

Chapter Questions

02:44

Problem 1

Which of these is not a chordate characteristic?
a. dorsal supporting rod, the notochord
b. dorsal tubular nerve cord
c. pharyngeal pouches
d. postanal tail
e. vertebral column

ZK
Zoe Kalbag
Numerade Educator
01:39

Problem 2

Adult sea squirts
a. do not have all five chordate characteristics.
b. are also called tunicates.
c. are fishlike in appearance.
d. are the first chordates to be terrestrial.
e. All of these are correct.

Grant Castaneda
Grant Castaneda
Numerade Educator
01:33

Problem 3

Label the following diagram of a chordate embryo.

Cameron Torrance
Cameron Torrance
Numerade Educator
02:02

Problem 4

Which of these is not characteristic of all vertebrates?
a. complete digestive system
b. closed circulatory system
c. skin with either scales or feathers
d. endoskeleton made of bone or cartilage
e. vertebral column

Grant Castaneda
Grant Castaneda
Numerade Educator

Problem 5

The first vertebrates to evolve were
a. amphibians. d. reptiles.
b. jawed fishes. e. amniotes.
c. jawless fishes.

Check back soon!
01:30

Problem 6

Which is not a characteristic of jawed fishes?
a. endothermy c. skin covered by scales
b. gills d. two-chambered heart

Grant Castaneda
Grant Castaneda
Numerade Educator
00:00

Problem 7

Cartilaginous fishes and bony fishes are different in that only
a. bony fishes have paired fins.
b. bony fishes have a keen sense of smell.
c. bony fishes have an operculum.
d. cartilaginous fishes have a complete skeleton.
e. cartilaginous fishes are predaceous.

Shazia Naz
Shazia Naz
Numerade Educator
01:42

Problem 8

Bony fishes are divided into which two groups?
a. hagfishes and lampreys
b. sharks and ray-finned fishes
c. ray-finned fishes and lobe-finned fishes
d. jawless fishes and cartilaginous fishes

Grant Castaneda
Grant Castaneda
Numerade Educator
View

Problem 9

Amphibians evolved from what type of ancestral fish?
a. sea squirts and lancelets d. ray-finned fishes
b. cartilaginous fishes e. lobe-finned fishes
c. jawless fishes

ML
Michael L.
Numerade Educator
02:40

Problem 10

Which of these is not a feature of amphibians?
a. dry skin that resists desiccation
b. metamorphosis from a swimming form to a land form
c. small lungs and a supplemental means of gas exchange
d. reproduction in the water
e. a single ventricle

Grant Castaneda
Grant Castaneda
Numerade Educator
08:11

Problem 11

Which of the following groups has a three-chambered heart?
a. birds c. mammals
b. reptiles other than birds d. amphibians

Doreen Cunningham
Doreen Cunningham
Numerade Educator
01:50

Problem 12

Reptiles
a. were dominant during the Mesozoic era.
b. include the birds.
c. lay shelled eggs.
d. are ectotherms, except for birds.
e. All of these are correct.

Grant Castaneda
Grant Castaneda
Numerade Educator
04:33

Problem 13

The amniotes include all but the
a. birds. c. reptiles.
b. mammals. d. amphibians.

AA
Anthony Ajegwu
Numerade Educator
01:32

Problem 14

A major difference between birds and other reptiles is that birds
a. produce a shelled egg. d. care for their young.
b. are ectotherms. e. have air sacs.
c. are tetrapods.

Grant Castaneda
Grant Castaneda
Numerade Educator
03:25

Problem 15

Which of these does not produce an amniotic egg? Choose more than one answer if correct.
a. bony fishes d. robin
b. duckbill platypus e. frog
c. snake

Morgan Hawley
Morgan Hawley
Numerade Educator
02:05

Problem 16

The first mammals to evolve were
a. aquatic. d. placental.
b. marsupials. e. primates.
c. monotremes.

Grant Castaneda
Grant Castaneda
Numerade Educator
03:39

Problem 17

Which of these is a true statement?
a. In all mammals, offspring develop completely within the female.
b. All mammals have hair and mammary glands.
c. All mammals have one birth at a time.
d. All mammals are land-dwelling forms.
e. All of these are true.

Kelsey Van Horn
Kelsey Van Horn
Numerade Educator

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