Phylum Platyhelminthes
Phylum Platyhelminthes
Phylum Platyhelminthes : Generally called flatworms, organisms of this phylum are bilaterally symmetrical, triploblastic (having three germ layers ectoderm, mesoderm and endoderm) and dorsoventrally flat like the leaves. They are acoelomate, which means they do not have a body cavity. They have a gut with a mouth cavity but no anus. Special cells called flame cells constitute the excretory system. Flatworms do not have special respiratory and circulatory systems.Tapeworms (Taenia, particularly Taenia solium), liver flukes (Fasciola) and blood flukes (Schistosoma) are. Parasitic flatworms. Planaria are free-living aquatic flatworms. Flatworms reproduce sexually and asexually. Most of them are hermaphrodites.
Which of the following organism is an acoelomate ? | |||
| Right Option : D | |||
| View Explanation | |||
By _________________ method the transmission of flatworms like Tapeworm occur in the humans. | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following is not a parasitic form of the flatworm ? | |||
| Right Option : C | |||
| View Explanation | |||
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