Adult worms go through a major transformation to develop reproductive organs.
Marine flatworms belong to a major group of worms called the platyhelminthes.
Adult platyhelminthes go through a major transformation to develop reproductive organs.
When do platyhelminthes reproductive organs develop?
a: when they become adults
b: It helps them survive
c: produce offspring
d: By wind and rain
e: during the day
f: members of their own species
g: an area swollen with pus
h: Something coming from a gland