SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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true
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false
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Either A or B
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None of the above
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Detailed explanation-1: -The flatworms come under Phylum Platyhelminthes and comprise a very diverse group of worms, with 12, 821 species described (WoRMS, 2016). The parasitic flatworms, such as tapeworms and liver flukes, are included within this large phylum.
Detailed explanation-2: -This is a highly diverse and cosmopolitan group of flatworms including the Dalytyphloplanida (about 1000 species), the Endoaxonemata (1 described species), the Kalyptorhynchia with about 550 species and the parasitic or commensal Temnocephalida (circa 160 species) [32].
Detailed explanation-3: -Flatworms (phylum Platyhelminthes) are simple animals that are slightly more complex than a cnidarian.
Detailed explanation-4: -Diversity of Flatworms Platyhelminthes are traditionally divided into four classes: Turbellaria, Monogenea, Trematoda, and Cestoda. The class Turbellaria includes mainly free-living, marine species, although some species live in freshwater or moist terrestrial environments.