a specialized excretory cell found in the simplest freshwater invertebrates
flame cells are called protonephridia and they are found in flat worms and involved in excretory fuction.
Planarians eat decaying organic matter found on the bottom of streams and ponds.
Yes
Planarians grow by the process of cell reproduction, which is mitosis followed by cytokinesis, the same as all multicellular organisms, including humans.
False
I don't know of a very good way to get rid of them but I would like to take them off your hands! I will buy them from you! I have been looking for these thing since I was a kid and always wanted to keep a few. So if you can catch them and ship them to me I will pay for the shipping any you will have less planarians to hurt your worms. Everybody wins
2
Planarians have bilateral symmetry.
Yes, planarians are non-parasitic flatworms
Planarians are neither parasitic or segmented. They are flatworms.
Yes, it lacks a circulatory system. It diffuses oxygen directly into its cells and diffuses carbon dioxide back out. That mechanism is why planarians need to keep their skin moist. On land, planarians secrete a thin layer of mucus to make diffusion easier.
The structures that enable planarians to expel liquid waste are normally pores. The pores are found on the dorsal surface of the planarians.
Planarians eat decaying organic matter found on the bottom of streams and ponds.
Planarians move by expanding and contracting their bodies as they grip a surface.
Planarians belong to the class Turbellaria within the phylum Platyhelminthes. They are free-living flatworms known for their regenerative abilities and simple body structure.
Yes
Yes, all organisms have scientific names. Thus planarians have scientific names too.
Platyhelminthes.