Biology (Raven), 9th Edition

Chapter 55: Behavioral Biology

Pre-Test

1
A fixed action pattern:
A)is learned.
B)is triggered by a sign stimulus.
C)occurs at regular intervals.
D)is non-adaptive behavior.
E)all of these are correct.
2
Pair bonding after mating occurs in a species of vole. Suppose these voles are injected with a chemical that blocks the action of the neuropeptide oxytocin, and now pair bonding does not occur. What would you predict about the brain structure of this species?
A)It has few receptors for this neuropeptide.
B)It has many receptors for this neuropeptide.
C)It is totally different from other species of vole.
D)Oxytocin works in conjunction with other hormones to induce pair bonding.
E)It is impossible to tell from these observations alone.
3
A cat that salivates at the sound of a can being opened is exhibiting:
A)operant conditioning.
B)instinctive behavior.
C)Pavlovian conditioning.
D)classical conditioning.
E)More than one of these is correct.
4
If a young white-crowned sparrow becomes deaf after it hears its species' song during the critical period it will:
A)sing perfectly well as an adult.
B)not sing at all.
C)sing an incorrect song.
D)sing a poorly developed version of the song.
E)It is impossible to predict what will happen.
5
Two species of sea otter use rocks as "anvils" to open clams. However, in species A each individual otter keeps the same rock which it uses many times, but otters in species B use a rock only once, discard it and pick up a new rock when they feed on a clam. Which species exhibits cognition?
A)neither species show cognition, both only exhibit tool use
B)both species exhibit cognition
C)only species B exhibits cognition
D)only species A exhibits cognition
E)This is neither an example of cognition or tool use.
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