WebOct 16, 2024 · Do flatworms have nostrils? ability to regenerate when their body is damaged. B. nostrils. a long, slender round body. Are flatworms poisonous? Not only … Platyhelminthes are bilaterally symmetrical animals: their left and right sides are mirror images of each other; this also implies they have distinct top and bottom surfaces and distinct head and tail ends. Like other bilaterians, they have three main cell layers (endoderm, mesoderm, and ectoderm), while the radially symmetrical cnidarians and ctenophores (comb jellies) have only two cell layers…
Where are the nostrils of a platypus? - Answers
WebFlatworm definition, any worm of the phylum Platyhelminthes, having bilateral symmetry and a soft, solid, usually flattened body, including the planarians, tapeworms, and … WebSep 23, 2024 · Flatworms have three embryonic germ layers that give rise to surfaces covering tissues, internal tissues, and the lining of the digestive system. The epidermal tissue is a single layer of cells or a layer of fused cells covering a layer of circular muscle above a layer of longitudinal muscle. mascara cherries
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WebNov 19, 2024 · They are more commonly known as the flatworms. As the name indicates, flatworms have a flat body. Moreover, their bodies are soft and un-segmented. They do not have any body cavity except the gut. Smaller forms may even lack a gut. They do not have an anus as well. The ingestion and excretion of food, both are through the single … WebFlatworms lack specialized respiratory, skeletal, and circulatory systems. In the simplified digestive system, cilia move food particles to specialized cells that form a mouthlike opening. Those cells then consume the food particles. Flatworms display a wide variety of forms and occupy many habitats. WebMay 17, 2024 · If you have a large number of worms in the intestine, you might have: Severe abdominal pain; Fatigue; Vomiting; Weight loss or malnutrition; A worm in your vomit or stool; When to see a doctor. Talk … data type unit8 not understood