WebFlatworms, the first animal to hunt, are found in the ocean, freshwater, on land, and even inside other animals. The ancient flatworms were the first animals to develop a central … Webflatworm, 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 … Tapeworms of the subclass Eucestoda are generally transmitted from host to host … The typical flatworm body is flattened and leaflike or tapelike. The head may be set … Flatworms have no specialized respiratory system; gases simply diffuse across the …

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WebFlatworms of the phylum Platyhelminthes have both a central nervous system (CNS), made up of a small “brain” and two nerve cords, and a peripheral nervous system (PNS) containing a system of nerves that … Webplanarian, (class Turbellaria), any of a group of widely distributed, mostly free-living flatworms of the class Turbellaria (phylum Platyhelminthes). Planaria is the name of one genus, but the name planarian is used to … trying to create a new apple id

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WebA parasitic flatworm has few sensory organs, no external cilia in adults, a thick tegument, and suckers or hooks or both for attachment to a host. Describe the life cycle of the … WebMay 23, 2024 · Flatworms are generally hermaphroditic-functional reproductive organs of both sexes occurring in one individual. Like other advanced multicellular animals, they possess three embryonic layers-endoderm, mesoderm, and ectoderm-and have a head region that contains concentrated sense organs and nervous tissue (brain). WebNov 29, 2024 · Well, the term Platyhelminthes comes from the Greek platús, meaning 'flat' and hélmins, meaning 'worm'. Therefore, Platyhelminthes literally means 'flat worm.'. And, as you might have … trying to control people