Question

Which among the following has bilaterally symmetrical, triploblastic and acoelomate animals with organ level of organisation: (or) All of the following are pseudocoelomate except:

Answer 1

Answer:

flatworms

Phylum – Platyhelminthes

They have dorso-ventrally flattened body, hence are called flatworms (Figure 4.9). These are mostly endoparasites found in animals including human beings. Flatworms are bilaterally symmetrical, triploblastic and acoelomate animals with organ level of organisation.