SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Animal
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Platypus
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Platyhelminthes
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Planarians
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Detailed explanation-1: -flatworm, also called platyhelminth, any of the phylum Platyhelminthes, a group of soft-bodied, usually much flattened invertebrates. A number of flatworm species are free-living, but about 80 percent of all flatworms are parasitic-i.e., living on or in another organism and securing nourishment from it.
Detailed explanation-2: -Phylum Platyhelminthes is composed of the flatworms: acoelomate organisms that include many free-living and parasitic forms. Most of the flatworms are classified in the superphylum Lophotrochozoa, which also includes the mollusks and annelids.
Detailed explanation-3: -Class Turbellaria (turbellarians, flatworms) Class Monogenea (parasitic flukes) Class Trematoda (parasitic flukes) Class Cestoda (tapeworms)
Detailed explanation-4: -The Phylum: Platyhelminthes includes the flatworms (Planaria, flukes & tapeworms) Three Classes treated here are Turbellaria, Trematoda and Cestoda.