In Earthworms,what Do the Nerve Cord,the Setae,the Circular Muscles,and the Metanephridia

question 18

Multiple Choice

In earthworms,what do the nerve cord,the setae,the circular muscles,and the metanephridia have in common?

• A)They are serially repeated in the segments of the body.
• B)They are all used in locomotion.
• C)They all play a role in excretion of waste from the body.
• D)They all play a role in the reproductive activities of the earthworm.

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