Question

Which of the phyla has bilateral symmetry?

a. porifera
b. arthropoda
c. echinodermata
d. both echinodermata and porifera

Answer 1

Answer: A. porifera

Explanation: it has radial symmetry it starts at the center and grows its way out away from the center

Answer 2

arthropods has the bilateral symmetry !
so answer is B !