Flatworms: Difference between revisions

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Flatworms are the simplest of the worm groups. There are roughly 20,000 species. Flatworms are found globally and can be free-living or parasitic. One of the best-known flatworms is the tapeworm.
Flatworms are the simplest of the worm groups. There are roughly 20,000 species. Flatworms are found globally and can be free-living or parasitic. One of the best-known flatworms is the tapeworm.
[[File:Taenia-solium.jpg|400px|left|thumb| https://healthjade.net/cysticercosis/]]


=Habitat=
=Habitat=

Revision as of 18:17, 22 April 2023

Taxonomic Classification
caption
Kingdom: Animalia
Subkingdom: Eumetazoa
Clade: ParaHoxozoa
Clade: Bilateria
Clade: Nephrozoa
Unranked: Protostomia
Unranked: Spiralia
Clade: Rouphozoa
Phylum: Platyhelminthes
Source: Integrated Taxonomic Information System

Flatworms are the simplest of the worm groups. There are roughly 20,000 species. Flatworms are found globally and can be free-living or parasitic. One of the best-known flatworms is the tapeworm.





Habitat

Diet

Reproduction

Anthropogenic Benefits

Anthropogenic Drawbacks

Attribute Cnidarians and Ctenophores Platyhelminthes (flatworms) More "advanced" bilaterians }}
Bilateral symmetry No Yes
Number of main cell layers Two, with jelly-like layer between them (mesoglea) Three
Distinct brain No Yes
Specialized digestive system No Yes
Specialized excretory system No Yes
Body cavity containing internal organs No Yes
Specialized circulatory and respiratory organs No Yes