Multiple Choice
Four of the five answers are features of the echinoderms. Select the exception.
A) spiny skin
B) decentralized nervous system
C) radial symmetry
D) a water-vascular system
E) a mantle
Correct Answer:

Verified
Correct Answer:
Verified
Q12: Which annelid subgroup has many chitin-reinforced bristles
Q13: The injectable pain-killing drug called Prialt is
Q14: Match the description to the correct mollusk
Q15: Which characteristics best describe earthworms?<br>A)polychaete; fluid filled
Q16: Nematocysts in cnidarians are _.<br>A)reproductive cells<br>B)excretory organs<br>C)sets
Q18: Match the description to the correct mollusk
Q19: Both the largest and fastest invertebrates are
Q20: Four of the five answers listed below
Q21: The protist that is most closely related
Q22: Match the description to the correct mollusk