Which one of the following groups of animals is bilaterally symmetrical and triploblastic? (PMT 2009)
A. Aschelminthes (round worms)
B. Ctenophores
C. Sponges
D. Coelenterates (cnidarians)
Answer:A
Which one of the following groups of animals is bilaterally symmetrical and triploblastic? (PMT 2009)
A. Aschelminthes (round worms) B. Ctenophores C. Sponges D. Coelenterates (cnidarians)