A rotifer is in the phylum Phylum Rotifera and belongs to the invertebrate kingdom
it is heterotrophic
Bilateral Symmetry
The scientific name for a rotifer is Phylum Rotifera.
Rotifers (Rotifera) are invertebrates found mainly in freshwater but can occur also in virtually any aquatic environment. A paper by Hegers (2008) "Global diversity of rotifers (Rotifera) in freshwater" might be helpful to you.
A Beaver is a vertebrate and a mammal.
Ameoba, Dileptus, and Rotifera...there might be many others, but I don't know about them.
vertebrate.
It is a vertebrate. It has a spine.
Vertebrate
vertebrate.
vertebrate