Question
Biology Question on Kingdom Animalia
Which one of the following kinds of animals are triploblastic?
A
flat worms
B
sponges
C
ctenophores
D
corals.
Answer
flat worms
Explanation
Solution
Triploblastic is a condition which describes an animal having a body composed of three embryonic gen layers : the ectoderm, mesoderm and endoderm. Most multicellular animals belonging to phylum platyhelminthes to phylum chordata are triploblastic. Ctenophores, sponges and corals are diploblastic.