Classify the following organisms based on the absence $/$ presence of true coelom,i.e.,acoelomate,pseudocoelomate,and coelomate:
$(a)$ Scorpion
$(b)$ Sea anemone
$(c)$ Ascaris
$(d)$ Earthworm
$(e)$ Wuchereria
$(f)$ Nereis

(N/A) Scorpion: Coelomate (Phylum Arthropoda)
$(b)$ Sea anemone: Acoelomate (Phylum Cnidaria)
$(c)$ Ascaris: Pseudocoelomate (Phylum Aschelminthes)
$(d)$ Earthworm: Coelomate (Phylum Annelida)
$(e)$ Wuchereria: Pseudocoelomate (Phylum Aschelminthes)
$(f)$ Nereis: Coelomate (Phylum Annelida)