Multiple Choice
Where are sperm formed in the male reproductive system?
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27. The Reproductive System
Anatomy of the Male Reproductive System
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Which of the following is a key difference used to distinguish male frogs from female frogs?
A
Males have larger tympanic membranes compared to their eyes.
B
Females have nuptial pads on their thumbs.
C
Males have a larger body size than females.
D
Females have vocal sacs for calling.
Verified step by step guidance1
Understand the anatomy of frogs, focusing on the tympanic membrane, nuptial pads, body size, and vocal sacs.
The tympanic membrane is an external hearing structure in frogs. In many species, male frogs have larger tympanic membranes compared to their eyes, which is a distinguishing feature.
Nuptial pads are rough, thickened areas on the thumbs of male frogs, used during amplexus (mating grasp). This is a characteristic of males, not females.
Consider body size: In many frog species, females are larger than males, which is contrary to the option suggesting males are larger.
Vocal sacs are typically found in male frogs, used to amplify their calls during mating season. Females generally do not have vocal sacs for calling.
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