Webflatworm: 1 n parasitic or free-living worms having a flattened body Synonyms: platyhelminth Types: show 8 types... hide 8 types... planaria , planarian free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts fluke , trematode , trematode worm parasitic flatworms having external suckers ... The flatworms, flat worms, Platyhelminthes, or platyhelminths (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning "worm") are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates. Unlike other bilaterians, they are acoelomates (having no body cavity), and have no specialized circulatory and respiratory organs, which restric…

invertebrate - Students Britannica Kids Homework Help

Webflatworm meaning: 1. a creature with a flat body that can live inside the bodies of people and animals and often…. Learn more. WebFlatworms also show cephalization and bilateral symmetry. Flatworm Reproduction. Flatworms reproduce sexually. In most species, the same individuals produce both eggs … john taffer controversy

Flatworms - Phylum Platyhelminthes

WebHermaphrodite definition. Has both male and female reproductive organs. Do free-living flatworms often have complex life cycles that involve both sexual and asexual reproduction? No. How does the flat shape of the worms body allow it to rely on diffusion? The materials don't have to travel far. 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 … WebFlatworms display a wide variety of forms and occupy many habitats. The free-living flatworms are mostly marine, though some live in fresh water and a few are terrestrial. The planarian , which is used in elementary biology classes to study some basic functions of life, is among the best known of the free-living flatworms. how to grill lamb chops perfectly