Essay
Refer to the figure showing an annelid segment cross and longitudinal section. Label the lettered structures with the following: blood vessel, intestine, circular muscle, longitudinal muscle, setae (bristles), septum between segments, nerve cord, coelom, and excretory organ.Identify the primary structures that would allow the annelid to move through a terrestrial environment.
Correct Answer:

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A: septum between segments
B: circular m...View Answer
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Correct Answer:
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B: circular m...
View Answer
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