Chapter 34 quiz questions/practice problems

Question 1

Which of the following is a characteristic of all chordates at some point during their life cycle?

Question 1 options:

vertebrae

jaws

post-anal tail

four-chambered heart

Answer 1

post-anal tail

Question 2

Vertebrates and tunicates share ________.

Question 2 options:

a notochord and a dorsal, hollow nerve cord

the formation of structures from the neural crest

a high degree of cephalization

jaws adapted for feeding

Answer 2

a notochord and a dorsal, hollow nerve cord

Question 3

Suppose, while out camping in a forest, you found a chordate with a long, slender, limbless body slithering across the ground near your tent. This critter could be ________.

Question 3 options:

a mammal

a skate

a lamprey

an amphibian

Answer 3

an amphibian

Question 4

A trend first observed in the evolution of the earliest tetrapods was ________.

Question 4 options:

feet with digits

the amniotic egg

the appearance of jaws

the mineralization of the endoskeleton

Answer 4

feet with digits

Question 5

Fossils of the earliest tetrapods should ________.

Question 5 options:

feature the earliest indications of the appearance of jaws

indicate limited adaptation to life on land

show evidence of internal fertilization

show evidence of having produced shelled eggs

Answer 5

indicate limited adaptation to life on land

Question 6

What is believed to be the most significant result of the evolution of the amniotic egg?

Question 6 options:

Newborns are much less dependent on their parents.

Tetrapods can now function with just lungs.

Tetrapods are no longer tied to the water for reproduction.

Embryos are protected from predators.

Answer 6

Tetrapods are no longer tied to the water for reproduction.

Question 7

Which of the following characteristics evolved independently in mammals and birds?

Question 7 options:

jaws

amniotic eggs

endothermy

bone

Answer 7

endothermy

Question 8

During chordate evolution, what is the sequence (from earliest to most recent) in which the following structures arose?

Question 8 options:

jaws, paired fins, swim bladder, four-chambered heart, amniotic egg

paired fins, jaws, swim bladder, amniotic egg, four-chambered heart

jaws, paired fins, paired fins, swim bladder, four-chambered heart

paired fins, amniotic egg, four-chambered heart, jaws, swim bladder

Answer 8

paired fins, jaws, swim bladder, amniotic egg, four-chambered heart

Question 9

Primate evolution and behavior, such as hunting skills, have been directed in part by the development of depth perception. What anatomical change made depth perception possible

Question 9 options:

diurnal activity

location of the eyes at the front of the head

the formation of compound eyes

a larger brain

Answer 9

location of the eyes at the front of the head

Question 10

Unlike eutherians, both monotremes and marsupials ________.

Question 10 options:

lack nipples

have some embryonic development outside the uterus

lay eggs

are found in Australia and Africa

Answer 10

have some embryonic development outside the uterus