Which of the following are bilaterally symmetrical, triploblastic and acoelomate animals with organ level of organisation?
Flatworms are bilaterally symmetrical, triploblastic and acoelomate animals with organ level of organisation. They are included under the phylum Platyhelminthes. Aschelminthes includes pseudocoelomates. Annelids are coelomates. Cnidarians are radially symmetrical diploblastic animals with tissue level of organisation.