Chapter 34 quiz questions/practice problems Flashcards

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1
Q

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

A

post-anal tail

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2
Q

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

A

a notochord and a dorsal, hollow nerve cord

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3
Q

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

A

an amphibian

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4
Q

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

A

feet with digits

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5
Q

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

A

indicate limited adaptation to life on land

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6
Q

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.

A

Tetrapods are no longer tied to the water for reproduction.

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7
Q

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

Question 7 options:

jaws

amniotic eggs

endothermy

bone

A

endothermy

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8
Q

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

A

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

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9
Q

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

A

location of the eyes at the front of the head

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10
Q

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

A

have some embryonic development outside the uterus

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