Q.

In cockroach, frog, and stingray, males exhibit sexual dimorphism. Choose the option with the correct description for each, respectively.

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a

Anal styles, copulatory pads, brood pouch

b

Brood pouch, copulatory pads, poison sting

c

Anal cerci, vocal sacs, pelvic claspers

d

Anal styles, vocal sacs, pelvic claspers

answer is C.

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Detailed Solution

Male cockroach has anal styles.  Male frog has vocal sacs and copulatory pads.  Male cartilage fishes (stingray) have claspers.

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