Animal Kingdom Question 2
2. Which of the following animals are true coelomates with bilateral symmetry?
(a) Annelids
(b) Adult echinoderms
(c) Aschelminthes
(d) Platyhelminthes
Show Answer
Answer : a
Hints & Solutions
(a) Annelids exhibit bilateral symmetry with metameric segmentation where external segments correspond to internal segments. Adult echinoderms are bilaterally symmetrical. Aschelminthes are pseudocoelomates and platyhelminthes are acoelomates.