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A rotifer is in the phylum Phylum Rotifera and belongs to the invertebrate kingdom
it is heterotrophic
A Beaver is a vertebrate and a mammal.
vertebrate.
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.
It is a vertebrate. It has a spine.
Rotifera exhibit bilateral symmetry, meaning their bodies can be divided into two equal halves along one plane. This symmetry allows for efficient movement and navigation through their aquatic habitats.
vertebrate.
Vertebrate
vertebrate
Vertebrate