The modified cells of sponges that form circular bands and provide just a little constriction to control water flow are
A) amoebocytes.
B) choanocytes.
C) spicules.
D) myocytes.Myocytes are modified pinacocytes and constrict to regulate water flow.
Correct Answer:
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Q5: Cells responsible for water flow and capture
Q6: Calcareous or siliceous elements of the sponge
Q7: Specialized archaeocytes that secrete large quantities of
Q8: The most complex and the most common
Q9: The structural protein found in all sponges
Q11: Flagellated canals of syconoid sponges form by
Q12: Cells that move about in the mesohyl,digest
Q13: Which one of the following statements regarding
Q14: The extracellular matrix found in sponges is
A)spongin.
B)collagen.
C)pinacoderm.
D)mesohyl
Q15: Specialized archaeocytes that secrete spicules are
A)collencytes.
B)sclerocytes.
C)choanocytes.
D)spongocytes.
E)lophocytes.Archaeocytes may
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