Multiple Choice
The respiratory system of an ectoproct involves
A) tracheae.
B) gills that form another layer under the tentacles.
C) amebocytes loaded with hemoglobin pigment.
D) circulation of water by opening and closing the epistome.
E) no system at all,merely diffusion across the body surface.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Ectoprocta live in<br>A)only freshwater sediment.<br>B)bivalved shells they
Q2: The lophophorate animals that have their bodies
Q3: Statoblasts are usually formed<br>A)in the winter.<br>B)in the
Q4: Reproduction and development in ectoprocts involves<br>A)hermaphrodites.<br>B)radial cleavage.<br>C)brooding
Q5: Explain why the Brachiopoda are not included
Q7: The _ is the secreted body wall
Q8: The brachiopods live in<br>A)freshwater sediment.<br>B)bivalved shells they
Q9: The formation of the coelom in articulate
Q10: Brachiopods reproduce and develop<br>A)with separate sexes.<br>B)usually with
Q11: The lophophore is<br>A)an arrangement of ciliated tentacles.<br>B)an