Multiple Choice
The demosponges
A) constitute only a small number of species.
B) are mostly marine but include the freshwater sponges.
C) have the asconoid-type canal system.
D) are referred to as calcium or chalk sponges.
E) form the most beautiful glass spicule patterns.Members of the class Demospongia are the most common sponges.Most are large,leuconoid sponges.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Explain the concept of monophyly as it
Q2: Specialized archaeocytes that secrete spicules are<br>A)collencytes.<br>B)sclerocytes.<br>C)choanocytes.<br>D)spongocytes.<br>E)lophocytes.Archaeocytes may
Q3: The extracellular matrix found in sponges is<br>A)spongin.<br>B)collagen.<br>C)pinacoderm.<br>D)mesohyl
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Q5: The order in which a drop of
Q7: The flagellated cells embedded in the mesohyl
Q8: Internal buds of freshwater sponges that can
Q9: The simplest of canal systems is found
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