Search results
Results from the WOW.Com Content Network
The food of Planaria species includes freshwater gastropods, tubificid worms, and freshwater arthropods, such as isopods of the genus Asellus and chironomid larvae. [7] In the United Kingdom, P. torva is a successful predator of the invasive New Zealand mud snail ( Potamopyrgus jenkinsi ).
A three-branched intestine runs across almost the entire body, and includes a single anterior and two posterior branches. The planarian intestine is a blind sac, having no exit cavity, and therefore planarians uptake food and egest waste through the same orifice, located near the middle of the ventral body surface. [5]
The food of P. torva consists of freshwater gastropods, tubificid worms, and freshwater arthropods, such as isopods of the genus Asellus and chironomid larvae, although it shows a clear preference for snails. [3] In the United Kingdom, P. torva is a successful predator of the invasive New Zealand mud snail (Potamopyrgus jenkinsi). [4]
Dendrocoelum lacteum, the milk-white planarian, is a freshwater planarian found in lakes and running waters in Europe, being the most widespread freshwater planarian in this continent. Description [ edit ]
The gut is lined with a single layer of endodermal cells that absorb and digest food. Some species break up and soften food first by secreting enzymes in the gut or pharynx (throat). [5] All animals need to keep the concentration of dissolved substances in their body fluids at a fairly constant level. Internal parasites and free-living marine ...
Rich in fiber, vitamins and minerals, such as magnesium, copper and manganese, nuts provide another great plant-based protein source. Eating walnuts, in particular, can help reduce blood pressure ...
Bipalium pennsylvanicum, the three-lined land planarian, is a species of land planarian in the subfamily Bipaliinae. [1] [2] They are native to Asia, but found mostly in Pennsylvania and the surrounding areas. [3] [2] They can reach a length of 5.1 inches (130 mm) or more, with a diet consisting mostly of earthworms.
Girardia tigrina, known as the brown planarian or the immigrant triclad flatworm, is a species of dugesiid native to the Americas. [1] It has been accidentally introduced into Europe [ 2 ] and Japan. [ 3 ]