Question

Q.8 Distinguish between Flatworm & Roundworm.​

Answer 1

Answer:

Flatworm adaptations include mesoderm, muscle tissues, a head region, and bilateral symmetry. Flatworms are free-living heterotrophs or parasites. Roundworms are invertebrates in Phylum Nematoda. Roundworms have a pseudocoelom and complete digestive system.

Unlike their predecessors, roundworms have a tube digestive system, meaning food flows in one direction (in one end and out the other). This is in contrast to the digestive system of the flatworms: these organisms have a single opening. ... Once the food is in the mouth, it moves down to the pharynx (or throat).