Biology, Eighth Edition (Raven)

Chapter 52: The Reproductive Systems

Video Quiz - Fooled For Love

Objective: Detail how sexual mimicry as a behavior is used in cuttlefish for advancing the transfer of gametes for reproductive success.

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What appears to be the reason why male cuttlefish have developed sexual mimicry to aid in reproductive behavior?
A)The females are never receptive to male advances.
B)There is fierce competition for the few females present.
C)The males who are large and dominant are not interested in the females.
D)There is no apparent correlation to this behavior.

Which of the following is NOT a behavior observed in the small male cuttlefish?
A)Hides his fourth pair of arms to look like females who have three pairs.
B)Bulges his arms out to appear he is holding an egg.
C)Puts on a coloration that is typical of females.
D)Produces the same mating call as a female to draw her attention.

How does this sexual mimicry behavior of small males advance their chances of mating?
A)The guard male thinks that “he” is another female for him to mate with.
B)The guard male is only interested in one female at a time.
C)The female is receptive only to small males in the first place.
D)The small male is able to “sneak” by because he is so small.

Which of the following was the actual finding in the research on female receptivity?
A)The females never allowed the small males to mate with them.
B)The small males were allowed to mate only if the large guard hadn’t.
C)The females mated with large and small males, but most often with the small males.
D)The males were so busy fighting off each other that no mating actually occurred.

Sexual mimicry is common in many animal species. What makes this particular behavioral study so relevant?
A)It has never been seen before in fish.
B)It is the first example of sexual mimicry serving as a selection pressure for genetic success.
C)It was the first time males mimicked females.
D)It is the first study to show that visual cues are only used by females.
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