Ectoproct colonies have modified zooids to
A) assist in reproduction.
B) disperse the colony.
C) secrete more exoskeleton.
D) protect the colony and sweep away foreign particles.
E) All of the choices are zooid specializations
Correct Answer:
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Q11: The digestive system of a phoronid worm
Q12: Reproduction and development in phoronid worms involves
A)monoecious
Q13: How can you distinguish an ectoproct from
Q14: Entoprocts
A)are mostly freshwater.
B)are wormlike.
C)have an incomplete digestive
Q15: The phoronid circulatory system:
A)is a closed system
Q17: The _ includes the lophophore,digestive tract,muscles,and nerve
Q18: Which is NOT a correct description of
Q19: Brachiopoda
A)are called bryozoans.
B)have a mantle and two
Q20: Statoblasts are usually formed
A)in the winter.
B)in the
Q21: The fossil record of brachiopods shows
A)they have
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