Ascaris is characterised by
Presence of true coelom but absence of metamerism
Presence of true coelom and metamerism
Absence of true coelom but presence of metamerism
Presence of neither true coelom nor metamerism
Pseudocoelomates -
Body cavity is not lined by mesoderm, instead they are present as scattered pouches between ectoderm and endoderm.
- wherein
Eg. aschelminthes
Ascaris belongs to phylum Aschelminthes