The type of body plan a Dugesia has is an acoelomate body. This elongated body lacks internal structures for holding internal organs.
Dugesia and flukes are both types of flatworms. They both only have one opening that holds both the process of ingestion and secretion. The mouth of the Dugesia is on the ventral side, close to to middle of the body. While the fluke's mouth appears to be closer to what one would assume is the head.
Dugesia aenigma was created in 1984.
Dugesia sicula was created in 1948.
Dugesia notogaea was created in 1998.
Dugesia tubqalis was created in 2012.
Dugesia golanica was created in 1991.
Dugesia sagitta was created in 1861.
Dugesia japonica was created in 1964.
Dugesia, a genus of planarian flatworms, typically lives in freshwater environments such as ponds, lakes, and streams. They are carnivorous, feeding on small organisms like insects and worms. Dugesia are known for their ability to regenerate lost body parts, making them resilient creatures in their ecosystem.
Dugesia will exibit negative phototaxis. Look it up in a zoology book. here is an article as well. http://www.helium.com/items/1079086-the-observation-of-dugesia-in-response-to-light-and-gravity
A star? A hexagon? A Triangle
they are coelomates, which means that their body cavity is fully lined with the mesoderm.