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.