In contrast to roundworms,how do segmented worms elongate or stretch lengthwise?
A) Contracting the longitudinal muscles
B) Contracting circular muscles
C) Forcibly expanding the circular muscles
D) Forcibly expanding longitudinal muscles
E) Snapping back to original shape of the hard cuticle
Correct Answer:
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Q1: Polychaetes crawl by means of leg-like _
Q2: Giant axons are utilized in the earthworm
Q4: The calciferous glands in the earthworm
A)produce enzymes
Q5: The high degree of development of eyes
Q6: Considering the age of the various segments
Q7: Each internal compartment of an annelid is
Q8: Chloragogen cells
A)float free to distribute materials to
Q9: The typical nervous system of a polychaete
Q10: The Formation of Vegetable Mould Through the
Q11: The body wall of an annelid consists
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