They're all eukaryotic organisms.
All protists are single celled organisms.
A key characteristic shared by all gymnosperms is the fact that they all make seeds. Another shared characteristic is that they do not make flowers.
a characteristic---- usually a homologous structure----shared by all organisms in a group
cell nuclei that contain DNA... noveanet
They all cause disease.
have a trochophore
Protists have nucleus and double membranous organells.Bacteria do not have them.
Barrenness - nothingness
They are all vertebrates.
All protists are eukaryotes, some are heterotrophic, some are autotrophic, almost all can move, and almost all are single celled. No, we need traits that ALL of them share, not just some or almost all.
They classified protists into the animal kingdom because they shared more similarities. Protists became their own kingdom in the 1830s. The protists kingdom expanded in 1845.
the shape of there molecules :)