Scelta multipla
Which of the following is an example of a secondary sex characteristic?
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27. The Reproductive System
Introduction to the Reproductive System
Scelta multipla
What is the function of the clitellum in the reproductive system of annelids?
A
It secretes a mucus ring for egg fertilization.
B
It stores eggs until they are ready to be fertilized.
C
It produces sperm for reproduction.
D
It acts as a sensory organ for detecting mates.
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Identify the organism in question: Annelids, which are segmented worms, such as earthworms.
Understand the role of the clitellum: It is a thickened, glandular section of the body wall in earthworms and other annelids.
Recognize the primary function of the clitellum: It secretes a mucus ring during reproduction.
Explain the process: The mucus ring forms a cocoon around the worm's body, which collects eggs and sperm as the worm wriggles out of it.
Clarify the outcome: The cocoon, containing fertilized eggs, is then deposited in the soil where the young worms will eventually hatch.
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