Q. Main difference between starfishes and brittle stars is in the
A. number of arms
B. tube feet
C. structure of the ambulacral groove
D. pedicellariae
Answer: structure of the ambulacral groove
We will be happy to hear your thoughts
A. number of arms
B. tube feet
C. structure of the ambulacral groove
D. pedicellariae
Answer: structure of the ambulacral groove